Look for rocks that seem heavier than usual for their size, as meteorites are composed of particularly dense materials. Manticore, Deus 2 And Tarsacci Metal Detectors Tested In Heavily Mineralized Dirt. New Jersey R Deal L6 New Mexico R Abbott L6 Acme H5 Acomita PAL Alamogordo H5 Arbella IRUNGR Arch (a) CV3.0 Arch (b) Aurora H4 Aztec L6 Beenham L5 Bethel (a) H5 Bethel (b) H4 Blackwater Draw H6 Bluewater IIIAB Boaz H5 Chico L6 IM Chico Hills H4 Clovis ( no.1 ) H3.6 Clovis ( no.2 ) L6 Columbus H5 Correo H4 Costilla Park IIIAB Photo by author. It takes a bit more research to find the densest areas of specimens, where rockhounds may stand a chance of finding their own elusive stone from space. in what you need to know about them. When an object enters the atmosphere it may be detected as a meteor. A.} The meteorite is a breccia, composed only of fragments of L-chondrite materials. Only $10! At What Cost Did My Family Pay For My Addiction? Where Do I Look for Rocks and Minerals? View from the Nevada side of Gold Basin. Day trips to Lake Mead or the Franconia strewn field to look for meteorites . This picture was taken about 22 miles north of the southernmost end of the field and it stretches many miles more to the north. Free Strewn Field Maps, News, and Reports Meteor Events Team Strewnify StrewnLAB Software Resources Training About Us Links Report A Fireball Recent Events 1 San Isidro, Texas, USA 2 Bourville, Normandy, France (Asteroid 2023 CX1) 3 Audenhain, Germany 4 Muskogee, Oklahoma, USA 5 Florence, Texas, USA Clear editor. Conditions in the Gold Basin, which is now part of the Mojave Desert, were wetter and cooler at the time of the fall. A.} This website is best viewed in portrait mode on mobile devices. To top it off the region is quite heavily wooded making it far from an ideal location to hunt meteorites. Many documented meteorite finds have been individually named for easier reference, and websites offer information about where they were found, as well as photos of many. Home. Collection amounts allowed for commercial use are specified in the permit and are not subject to the limits (ten pounds) established for casual collection. On the north side of Jumbo Peak you will find most of the area too soft for meteorite recovery. Robert Haag (Tucson, AZ) Accessibility statement; Free The Holbrook Strewn Field, located near Holbrook, Arizona, is a well-known chondrite meteorite collecting area. Map of Meteorite Locations (Click Map Location Stars for Pictures and Info) List of Arizona Meteorites; Credits & Acknowledgements; Links . -LunarMeteoriteHunterATgmailDOTcom (c)2013-2022 Dirk Ross, Tokyo, Japan. In the NEXRAD weather radar network operated by NOAA, the KIWA (Phoenix, AZ) recorded the fall. George Kinsey I am enclosing a picture of the meteorite strewn field extended from Jim Smallers original map, this map is a few years old, a lot more have been found since.. You need to be a member in order to leave a comment. September 3, 2020 in Metal Detecting For Meteorites. Take a look on this forum thread for the strewn field.. Scroll down to Uncle Ron's post from November 23, 2014. Arizona and the southwest have large tracts of desert where many meteorites have been, and continue to be, discovered. I think the string field is somewhere near the corn palace in South Dakota . When we had the outing for Jim Smaller a guy showed up with a MXT and didn't know how to use it so I showed him and later that day he found a base ball sized meteorite with it on the south side. His team found 15 meteorites from the June 2 fireball that broke up over Arizona. Started February 25, By We travel to gem shows and enjoy meteorites as much now as in the beginning. Two of my personal favorites are "Rocks From Space" by O. Richard Norton, (Mountain Press, Missoula Montana) and "History of Meteorites" by Astronomical Research Network (Maplewood, Minnesota). Bombardment:ShapingPlanetarySurfacesandTheirEnvironments2018(LPIContrib.No.2107). By The sunken, dry lake bed is located about 20 miles southwest of Willcox, and many meteorites have been documented as found there. This is the 7th largest number of any state in the U.S., trailing just Texas, California, New Mexico, Kansas, Arizona and Nevada. A friend about a year ago got a multi pounder out there, so there still there, just not as many. If the sample passes these tests, it's time to get an expert opinion. Sure, it could be something different, but simply put, the easiest, most obvious and logical answer is usually the right answer. My first Nevada side Gold Basin find. Arizona: Classification: H5 Chondrite: Witnessed Fall: No: Date and Time: Found October 15, 2002: TKW: . It's less than a two hour drive across the Colorado River from Las Vegas, NV. I will come back later with a better detector to get down deep. Chase Goldman ). The Kumtag meteorite strewn field is located east of the Kumtag sand levee, which is 132 km from Hami city, Xinjiang, China. The applicant must pay an application fee, a purchase price based on either a unit price or a percentage of the fair market value of the removed material, and a reclamation fee as appropriate. . . You can also look over the MetBul map so you can see what the land ownership is there and avoid trespassing.. There are many informative and educational books available to anyone interested in prospecting for meteorites. NASA is examining reports of an atmospheric fireball about 6 p.m. EST, Feb. 15, near McAllen, Texas. nhs waiting list for acl reconstruction. Where to Find Oregon Agates (Tips and Locations), Rockhounding In New Mexico! How many times have you wished that you could find a way to make a little money from your 4-wheeling weekend, dirt bike, metal detector, or just walkin' across one of California's desolate dry lakes? Found a lot of gold and meteorite's in Gold Basin. Againstmywill The Meteorite Exchange, Inc. was born in 1996 with meteorite.com and Meteorite Times Magazine in 2002. Walter Zeitschel (Hanau, Germany) Unless otherwise prohibited by laws, regulations, land use plans or closures, meteorites may be commercially collected by individuals possessing a land use permit issued under the authority of the Federal Lands Policy and Management Act (FLPMA). And as an Amazon Associate, we earn a commission on qualifying purchases after clicking on those links, at no additional cost to you. desertdog56February 22, 2011 in METEORITE HUNTING and COLLECTING. The meteorite is of chondritic texture with moderately well defined olivine and orthopyroxene chondrules (0.2-2 mm) embedded in a fine-grained matrix rich in olivine, orthopyroxene, and minor albitic plagioclase. They are just too fragile to survive passage through Earth's atmosphere. Amateur meteorite hunters at Franconiajust 17 miles from Lake Havasu Cityare finding stones from space In 1912, an estimated 14,000 stones fell on Northern Arizona alone. This specific area was featured in a TV program on the Science Channel called Meteor Men, which increased its popularity. Since 1995, thousands of stony meteorites have also been. If individuals believe they have found a fragment of the meteorite, please contact the Smithsonian. @strewnify. Oxidation is likely to have occurred soon after the fall, when exposure to precipitation was at its maximum. ), The Desert Environment Astromaterials Research and Exploration Science. By NASA does not maintain collections of meteorites found in the United States. It led me up hill to the 16+pounds. Two specimens with a total mass of 56g were recovered. been a lot of years since I was there. 3 nights in a row Of course, its possible this is not GB but the evidence looks very promising. We suggest that one large H3-6 meteoroid fell in the area, most likely that of Buck Mountains Wash approximately 4 kyr ago, which produced an elliptical strewn field with masses generally increasing toward one . Please try to be specific, and forum members will try to answer you resonably. The Franconia time zone is Mountain Standard Time which is 7 hours behind Coordinated Universal Time (UTC). (adsbygoogle = window.adsbygoogle || []).push({}); DesertUSA Newsletter -- We send articles on hiking, camping and places to explore, as well as animals, wildflower reports, plant information and much more. Well, if you're observant, persistent and a little bit lucky, there may be some bucks waiting out there in the boondocks, just under your noseand literally right out of the blue. The distant valley at the top of the image is the original Gold Basin strewn field in Arizona. Like gold nuggets, the price is determined by the market -- sometimes a feeding frenzy develops over a particular stony-iron, or recently acquired one-of-a-kind meteorite. Was a nice guy, talked to him a few times. When large objects impact terrestrial planets such as the Earth, there can be significant physical and biospheric . Check out our online resources for K-12 at-home learning, and find out why space rocks! There is limited collecting allowed on Bureau of Land Management (BLM) lands. Public Service and Instead, these meteorites are curated by the Smithsonian Institution and other scientific and academic institutions around the country. Lots of 30 & 50 cal bullets. the Moon, Mars, and nearby space in the support of solar system exploration. MRP scientists also identified four others that fell outside of Arizona.The seven new Arizona meteorites are listed in this month's Meteoritical Bulletin. Collection amounts allowed for scientific or educational use are specified in the permit and are not subject to the limits (ten pounds) established for casual collection. To put the difficulty into perspective, we spent 36 man days to locate the 2 stones and out of four hunters I was the only one to score. He used to sell maps and I believe he had some meteorite maps. Might have to make a trip back that way someday. UR - http://www.scopus.com/inward/record.url?scp=0034863968&partnerID=8YFLogxK, UR - http://www.scopus.com/inward/citedby.url?scp=0034863968&partnerID=8YFLogxK, Powered by Pure, Scopus & Elsevier Fingerprint Engine 2023 Elsevier B.V, We use cookies to help provide and enhance our service and tailor content. Simple theme. The first appearance of falling meteorites on radar occurs at 05:49:10 UTC and 16,460 m above sea level (ASL) in the 0539 UTC data set for the KVTX radar in the 4.5 degree elevation radar sweep. If you decide to give this place a try there are some things to consider. Several resources there to get you started. There are still lots of little irons on the north side. If you think you've found a meteorite, three preliminary tests should be performed: If you can answer "yes" to all three questions, there is a chance that you may have a meteorite. An iron meteorite found near Delta, Utah was classified as the ninth heaviest (529 kg, 1164 lbs) meteorite ever found in the U.S. at the time of its discovery. Joe starts his day with a cup of coffee in his favorite cup. I believe that Joes discovery of the L6 meteorites in Nevada will tie it all together. At least 16 meteorites have been found, for a TKW of 0.816 kg, from asteroid 2023 CX1. My brother Dale visiting from Florida, after a few days in the field. I've only taken a cursory look at the map but it appears very . Is it heavier than a normal rock of the same size? In 2002, a meteorite weighing 4.75 kg was discovered in a dry wash at Franconia in Mohave County. sites that have been identified across the United States. Gold basin meteorite strewn field, Mojave desert, Northwestern Arizona: Relic of a small late pleistocene impact event. Threw alot of nice ones away as hot rocks before they were identified as meteorite's. Might have to make a trip back that way someday. (427kgs). Maybe this will help you a little - Terry. The north side extends quite a ways up, and smaller pieces are still around, including small irons like Mitchel said. There are well-known strewn fields located near New Mexico's Glorieta Mountain, as well as Holbrook and Franconia in Arizona. https://www2.jpl.nasa.gov/snc/alha.html. This is perhaps the most visually striking of all the finds thus far! Artwork by Laura Atkins, Occasionally I sell on eBay under the name Alienrockfarm, Copyright 2018 Cosmic Connection Meteorites All Rights Reserved (Meteorites For Sale In America), Hunting, Collecting, and Trading Cosmic Related Rarities Since 1998. I think it can be done. This is also a large geographical area with many documented meteorite finds, which have been documented by various websites and forums. Private individuals may may hunt some strewnfields for years and save their coordinates. The scientific expedition of the meteorite strewn field in western Kansas was put together by the Houston Museum of Natural Science and led by meteorite hunters Steve Arnold and Philip Mani. GitHub export from English Wikipedia. I found my first two strewnfields with lots of research/data mining, and a hell of a lot of four-wheeling, and hiking. Do you remember his name. Portales Valley? Cannot find the map that you want? The Lost City meteorite, a 9.83-kilogram chunk of rock, was discovered on a dirt road near the predicted impact site in Oklahoma, turning the unremarkable location into the home of the first ever . This is an estimate which may change if information about the meteor direction and descent angle updates. Often, these fields grow as time goes on and science does not keep up with old strewn field data. Saudi Arabia Meteorites and Impact Crater Map - Kentucky Meteorites and Impact Crater Map with KMLs, Nova Scotia Meteorites and Impact Crater Map. The strewn fields are freely available for use with Google Maps, in the form of KML files. Based on The Catalogue of Meteorites. It has been suggested that the best place to find meteorites would be inbetween the 10g and 100g markers (100g is in the orange zone). MMR Inc. (San Jose, CA) In northeastern Arizona, however, petrified wood like the specimens that are protected in Petrified Forest . Newly identified falls are of great interest to researchers and scientists who can study the sample before it has rusted or become contaminated with terrestrial pollutants. In my mind its a small miracle that I found the 2 stones on that side. They may restrict public access to such maps for obvious reasons. Together they form a unique fingerprint. Meteorites in the Yucca area also appear as dark brown or black rough stone, dense with magnetic properties. Signatures consistent with falling meteorites appear in a total of six radar sweeps from the two radars, with a final signature appearing at 06:00:03 UTC. Good luck and fair sailing to all who go!. In addition to craters, there are locations where meteorites have exploded or fragmented at high altitude and dispersed pieces over a wide area, known as a strewn field. Allen in MT You can not trust any of them as being the gosphel, only ones thoughts on where it may be in general based on data collected at that time. V3i/MXT Pro The fall was witnessed by hundreds. This area is perfect for a week long prospecting trip. And where are the known meteorite landing places on earth? Arizona Skies Meteorites P.O. Meteorites in this size range (10g-100g) would be the most plentiful and therefor the easiest to find. DoBell Ranch- West of Petrified Forest National Park. Here are a few links to the people and institutions
Si vous avez vu ce phnomne, vous pouvez nous donner des dtails ici: https://vigie-ciel.imo.net. There is A LOT of information out there. Cosmogenic nuclide studies indicate the meteorite has a terrestrial age of 15 000 600 years, corresponding to the Late Pinedale portion of the Wisconsin Glaciation. I arrived at my destination late afternoon and set up camp, which basically just consisted of parking my truck. Mare Meteorites (Oakland, CA) A new meteorite find in Nevada " A new meteorite find in Nevada " The dry lake-bed that I wanted to hunt was located hours away from Las Vegas in a remote valley in rural Nevada. These zones can cover just a couple of square acres (Holbrook, Arizona) or several thousand square miles (Namibia, Africa). Kerry Sieh / Earth Observatory Singapore The proposed Bolaven impact "is likely the largest crater (on Earth) formed within the past million years," says study lead Kerry Sieh (Earth Observatory Singapore). Mogollon Rim and White Mountains of Arizona, Hunting, camping, outdoor sports, meteorite hunting. It did come back L6 as can be seen below. Make a request and it will get posted. This is less than that in meteorites with similar ages found in eastern New Mexico, but comparable to that found in meteorites from the Sahara and the Nullarbor Region. Strewn field / distribution ellipse of the Bassikounou Meteorite Fall, Mauretania 2006. Gold Butte is the place I need to be to get to the Nevada side of Gold Basin. / Kring, D. A.; Jull, A. Smithsonian Institute (Washington, D.C.) We had a roughly 16km area in which meteorites were most likely to have landed - known as a strewn field. Swiss Meteorite Lab (Glarus, Switzerland). It takes a bit more research to find the densest areas of specimens, where rockhounds may stand a chance of finding their own elusive stone from space. There are several individuals and organizations -- with catalogs or websites -- that buy and sell meteorites or can help identify suspected meteorites including: New England Meteoritical Society (Mendon, MA) Each point on the map below represents a location in Arizona where a meteorite has been found! Looking toward the east end of Lake Meade and the end of the Grand Canyon. The meteorite was found in 1976 by three prospectors in the Old Woman Mountains of San Bernardino County. The data is from the Meteocritical Society and. You can buy a copy of Field Guide to Meteors and Meteorites. Started December 9, 2022, By Most meteorites have been found by walking with the aid of a metal detector (Dennis Asher, personal communication). Home Map of GeoWyo Top Spots Albany-Laramie Counties . The meteorite is a breccia, composed only of fragments of L-chondrite materials. Joe and I have decided we are pretty much done out there for now. The south side produced some large pieces, back in the day. Modern fireball observatories have enabled the more accurate triangulation of fireball trajectories, which has aided in the location of strewn fields, in the case of meteorite-producing events. According to Joe, it took him 6 tries to get to the right location, but once he did, it took him only 3 hours to find a meteorite. publisher = "The University of Arkansas Press", Gold basin meteorite strewn field, Mojave desert, Northwestern Arizona: Relic of a small late pleistocene impact event, https://doi.org/10.1111/j.1945-5100.2001.tb01944.x. The area is only about a mile wide and I highly doubt that defines the outer limits of the field, however, to go farther east or west is difficult due to terrain. WikiZero zgr Ansiklopedi - Wikipedia Okumann En Kolay Yolu . Dive into the research topics of 'Gold basin meteorite strewn field, Mojave desert, Northwestern Arizona: Relic of a small late pleistocene impact event'. It will give you locations where known meteorites were found, with lat/lon coordinates that may or may not be accurate as already mentioned by Desertsunburn. Powered by, 112 records found for meteorites with places that contain "Nevada", (click on a name for more information; click in header to sort), http://www.lpi.usra.edu/meteor/metbull.php, Meteorite Bulletin Database -- CLICK Icon Above to search yourself, UPDATED Additional Privacy Notice Compliance -, European privacy laws: the General Data Protection Regulation (GDPR) and the ePrivacy Directive, Meteorite Maps and Impact Craters - Worldwide. You cannot paste images directly. . Specimens from all these areas can be seen at many area rock shops or rock shows. Four other new meteorites were also found in the Gold Basin strewn field. This hyper-rock created an unimaginable explosion, most of it disintegrating upon impact, but throwing small pieces over a 12 mile area. It's easy! One of the most famous, if not the most valuable meteorite to be scrutinized by NASA and the news media, was found in Antarctica (Allan Hills) in 1984. Meteorites are classified into three main types: stones, stony-irons, and irons. http://www.lpl.arizona.edu/SIC/arizona_meteorites/. title = "Gold basin meteorite strewn field, Mojave desert, Northwestern Arizona: Relic of a small late pleistocene impact event". author = "Kring, {D. Gold Basin is one of the oldest (terrestrial) known chondrites and fell~15000 years ago. Although most of them were found many years after they fell from the sky, some were actually seen (as a fireball or . Minelab GPX 6000 In Stock $4499 Free Shipping, Price Reduced $65: Bushmasters Headphones By Detectorpro, Goldmonster 1000 & Used GPX Gp Whites TDI Coils, Looking For A Compass 77 B Professional Detector. This crater, nearly a mile in diameter and 600 deep, was created in 10 seconds, about 50,000 years ago by a 100-foot diameter chunk of iron and nickel traveling about 40,000 mph. Seven of those were identified in the past year by the UA Meteorite Recovery Program (MRP). View of the Franconia collection area in northern Arizona. Yellow is 1g, up to red = 1,000g. Started December 31, 2022, By Gold basin meteorite strewn field, Mojave desert, Northwestern Arizona : Relic of a small late pleistocene impact event. Three years ago Joe Franske ventured to the north side of Lake Meade in search of the big end of Gold Basin. Meteorite strike zones or "strewn fields" can reap rewards for years, such as the Gold Basin in Arizona, which has yielded thousands of specimens since its first discovery in 1995. Occasional large twinned plagioclase crystals are also present with Fe-Ni metal and troilite largely confined to the matrix. Aqua-tek Headphones For The Equinox Series And The Manticore. Digging meteorites. Would you like one for the Canyon Diablo strewnfield? You will discover interesting rocks in numerous places across the desert Southwest, many of them mentioned in DesertUSA articles . https://meteorites.asu.edu/buseck-symposium, Pieces of Asteroid 2023 CX1 found in France!!! Conditions in the Gold Basin, which is now part of the Mojave Desert, were wetter and cooler at the time of the fall. Public lands closed to casual collection include: developed recreation sites, certain units of the National Landscape Conservation System, areas excluded from casual collection in a Land Use Plan such as an Area of Critical Environmental Concern (ACEC) or a wilderness area, and areas closed by supplemental regulations; Individuals are limited to collecting what can be easily hand-carried, up to a maximum of ten pounds of meteorites per individual, per year; Small asteroids enter the atmosphere above the continental United States once or twice a year on average and often deliver meteorites to the ground. All rights reserved. [See collecting rules from the BLM below. For a nominal fee, most university planetary science departments or a licensed mineral testing laboratory will conduct an accurate final analysis. Though Meteor Crater is a huge attraction, it is not the most common site where meteorites have been found in recent years. Joe found the first stone on the south side of Jumbo Peak and that is where the majority of the finds were made. The Operational Land Imager (OLI) on Landsat 8 acquired this image of the area on May . He brought me in on the project last March and I take no credit for this discovery. There is general agreement that we do not have any meteorites from comets. Meteor Crater is a 180 m deep, 1.2 km diameter, bowl-shaped depression on the southern edge of the Colorado Plateau, located in north-central Arizona. scientist within the ARES Division at the Johnson Space Center in Houston, Texas. I know there are some hunters out there that will not share and so be it, but most of us are good people and I would expect some cooperation for the good of the larger picture. Recovery - Preservation - Science of Meteorites. Havent been to Franconia since the beginning of the year, but get out there at least 2-3 times a year. Pasted as rich text. At home with the kids? doi = "10.1111/j.1945-5100.2001.tb01944.x". This signature appears only five seconds after the fireball terminus, as recorded by a video found on the AMS page for this event. Jull, L. R. McHargue, P. A. As you may have heard, there has been a major development concerning the Gold Basin strewn field. We have meteorites from asteroids, Mars, and the Moon. My Friend Carter Testing Detectors In My Red Dirt. The Desert! The first appearance of falling meteorites on radar occurs at 03:05:26 UTC and 19,750 m above sea level (ASL) in the 0301 UTC data set for the KRTX radar in the 3.9 degree elevation radar sweep. Conditions in the Gold Basin, which is now part of the Mojave Desert, were wetter and cooler at the time of the fall. Colorado Meteorites. (20+ Dig Sites Across The State) $10.00 20 Dig Sites within 1 to 3 hours from Phoenix. T1 - Gold basin meteorite strewn field, Mojave desert, Northwestern Arizona, T2 - Relic of a small late pleistocene impact event. Gold, Meteorites, Coins, Relics.. I do not have the link but it was easy to find just using google to search. If you dont have Google earth you can download it here -->. Moving back up to the northwest corner of the state for our final site, We explore another dry lake bed about 40 miles north of Kingman. On the late afternoon of March 15, 1806, residents []. Robots using Hansel-and-Gretel strategy could map Martian caves, Overclassification overkill: The US government is drowning in a sea of secrets. Data for specimen masses and locations are provided in Table S1. not only into the origins of our solar system and planet Earth, but what
We decided to give you guys some details regarding the find locations, hence this message, but in return we would like to know about any finds you make so that we may continue documenting the strewn field. stone (found March, 2014) to UCLA this past summer. Committed to diversity and inclusion, the University strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service. NASAs Astromaterials Research & Exploration Science Office at Johnson Space Center in Houston is working with the agencys Meteoroid Environment Office at Marshall Space Flight Center in Huntsville, Alabama, on this analysis. "Plus, media coverage publicizing the finds is generating more searches," he adds.Kring says the university meteorite recovery team finds one or two meteorites in about every 600 samples submitted for study.To check if your suspect meteorite might be the real thing, look at the series of tips listed in Kring's on-line booklet, "Meteorites and Their Properties," at http://meteorites.lpl.arizona.edu These tests will filter out 90 percent of the "meteor-wrongs," Kring notes. Learn more about other fall events and possible landing
Paste as plain text instead, We can accept credit cards on most items . What rockhound would not like to have a meteorite on display in his or her collection? Bland, D. H. Hill, F. J. Berry, Research output: Contribution to journal Article peer-review. Started Thursday at 08:30 PM, By Started February 25, Copyright 1998 - 2022 Herschbach Enterprises Started January 31, By DolanDave Member 307 Location: Las Vegas, NV and Dolan Springs, AZ Interests: Abducting baby Dinosaurs for the yard :) Gold, Meteorites, Coins, Relics.. Strewn field / distribution ellipse of the Bassikounou Meteorite Fall, Mauretania 2006 Radar and other data indicate that meteorites did reach the ground from this event. Website by: Web 7 Marketing Inc - Michigan's Leading Web Design & SEO Firm. Arizona meteorites Arizona and the southwest have large tracts of desert where many meteorites have been, and continue to be, discovered. Although many meteorites have been found in this area, it is not without its hazards. William E Southern Jr. Sign up for a new account in our community. We had less than a week to cover this area before heavy rain was forecast to hit. Applications for an Antiquities Act permit will be reviewed by the authorized officer in the BLM State Office with jurisdiction over the Cultural Resources program. J.T.} Its age is apparent in this close up. College debate competitions offer hope. Image: Kenkmann, T., Sundell, K.A., and Cook, D., 2018, Evidence for a large Paleozoic Impact Crater Strewn Field in the Rocky Mountains: Scientific Reports 8, Fig .