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about 90% Precambrian, nearly all related to mapping projects, most from recent decades total to the nearest thousand
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Field notes dating back to early 1900s are kept in the Washington Geological Survey library. Hundreds of volumes exist in the physical collection. Last notes in the library are from the 1980s when available space become a limitation. More recent notebooks are either retained by active staff or kept in the offices and at risk of being discarded. A storymap describing the collection is available at https://storymaps.arcgis.com/stories/77e291f5658a40af80029e025a8735e6
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Hand specimens of rocks collected as a part of field work conducted primarily by present and former WGNHS staff members. Samples date from the early 20th century to the 1990s and were collected throughout the state. Many of the samples are described in the historical field notebook collection, and relationships between the samples and the field notebooks have been established and captured in identifiers. Locations for samples were taken from field notes, maps, and accession lists. There are approximately 5,700 hand samples in this collection.
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The Montana Bureau of Mines and Geology (MBMG) compiled and maintains historical, engineering and geologic reports, pictures, correspondence, news clippings, and production information for over 4,400 property-specific records. A record or file may contain information related to a particular mining claim, a collection of claims, or a mining exploration project. The Mining Property File records are organized by Montana county and mine or project name. To research the collection, visit our website at http://www.mbmg.mtech.edu/mining-archives/mining-archives_data.asp.
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This collection consists of field notebooks, related maps, and photographs from former Tennessee Geological Survey staff, contractors, and students that worked on Survey projects. As of 2020, the metadata records pertain only to field notebooks and related maps; the photographs in the collection will be completed at a later date.
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This collection contains unpublished, working maps, and cross-sections from a wide range of projects. Some of the documents date back to over 50 years ago. Many of these documents are scanned.
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This collection as a whole includes diamond drill core from hardrock/lode mineral prospects that have been donated to the Alaska Geologic Materials Center (GMC) by private entities or that have been recovered from properties during reclamation of historic mine and exploration sites by the U.S. Bureau of Land Management. The core is stored in waxed cardboard or plastic boxes. Mineralized portions, and in some cases the entire the core, has been split and sampled. Some core may have been quartered and sampled, or entirely consumed. The condition and completeness of the core varies widely. The individual records listed are comprised of diamond drill core from identified mineral prospects; it may include some coal prospects,...
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This collection (known internally at Maryland Geological Survey as Component 5) consists of 4,720 items – 4,715 black-and-white aerial photographs (4,688 unique frames plus 27 duplicates) and 5 associated index maps. The aerial photographs were flown or acquired by the U.S. Geological Survey (USGS) and organized on a 7.5-minute quadrangle basis. The photographs are black-and-white and approximately 9 in. x 9 in. in size. The scale of the aerial photography varies but ranges from approximately 1:12,000 to 1:35,400. These photographs date from 1936-1991 and were donated to the Maryland Geological Survey (MGS). The index maps serve as a finding aid for several of the flight series flown over five quadrangles...
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In 2008, Virginia Department of Energy received by donation from the University of Virginia (UVA) a large collection of rock, mineral, and fossil specimens that was at risk of imminent disposal or dispersal due to the lack of adequate storage facilities. The collection includes many valuable and irreplaceable geologic specimens collected in Virginia by UVA students, faculty, and geoscientists from the early Virginia Geological Survey. Parts of the collection were at one time displayed in the Lewis Brooks Hall of Natural Science, which opened in 1877. Following the closure of the UVA Department of Geology in the 1960s, the collection was moved to various warehouse storage areas, where it was largely forgotten and...
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Collection of rock cores extracted during drilling operations conducted by Maine Department of Environmental Protection for site investigations in various towns across the State of Maine. Please contact the Maine Geological Survey to discuss access to the collection.
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George M. Colvocoresses was a mining engineer and metallurgist in Arizona. He was General Manager of Southwest Metals Company, Humboldt, AZ. It acquired Consolidated Arizona Smelting Company by the end of 1921. In 1920, Colvocoresses was appointed receiver for Consolidated Arizona Smelting Company out of Phoenix. This collection is comprised mainly of his reports on field visits, submittals from approximately 300 Arizona properties and 100 more properties in the Southwest. Subsequent additions to the collection after the 1940s came from his son, Alden P. Colvocoresses, or Bill Allison of Allison Steel Company.
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Grover Heinrichs was born in Pittsburgh, Pennsylvania, in 1925. As a child, he moved with his family through the western United States, the Philippines and South Africa. He was the Vice President of Heinrichs GEOEXploration, located in Tucson, Arizona, where his brother, Walter Heinrichs, Jr., was President. During his career as a geologist, he also worked or consulted for a number of other companies including the USGS, Phelps Dodge, United Technologies and Essex International. He was the Vice President of La Paz Mining Inc. from 1984 until the early '90s. He was a member of several professional organizations including the Arizona Geological Society, the Mining Club of the Southwest and the Society for Mining, Metallurgy...
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Fred Hohne spent many years with Wyoming Minerals (subsidiary of Westinghouse) working on uranium exploration projects, especially the Workman Creek area of Gila County, Arizona. The collection contains geologic reports, drill hole data and maps of the Workman Creek area from the late 1970s as well as many other published reports on exploration in the Southwest U.S.
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These photographs are from turn of the century. Mr. Osborn was the photographer. Most of the photographs are from the Ajo area of Arizona. The photographs depict mines, workings, buildings and families of the workers. This collection has not yet been cataloged. Please contact the Arizona Geological Survey to inquire about this collection.
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Collection consists of 88310 paper well logs (including mud logs) from 46808 oil and gas wells, which are located almost exclusively within New Mexico, with a small percentage of the well logs in our collection coming from the neighboring states of Arizona, Utah, Colorado, and Texas. This collection has been built over the past 60 years by accepting donated well logs. Many of the logs contain significant handwritten material such as formation tops, perforated, intervals, etc. Please contact us for a copy of our current log list.
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This collection consists of bedrock core drived from mineral exploration test holes, coal exploration test holes, and oil and gas exploration test holes. The mineral exploration test holes are primarily associated with zinc exploration in East and Middle Tennessee. There are approximately 475 test holes currently stored in 3 locations in middle Tennessee. The locations are the Ellington Warehouse in Nashville, Tennessee, a TGS Core Storage Facility in Waverly, Tennessee, and a storage building on TVA property in Hartsville, Tennessee. Total estimated volume for housing cores is 39,000 cu. ft. Only 99 test holes are currently included in the National Digital Catalog, but ongoing efforts are underway to compile...
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This collection (known internally to Maryland Geological Survey as Component 4) consists of 375 22-inch by 34-inch photo-mosaic index maps dating from 1936-1980. These index maps depict flight lines and frame numbers for two components of the MGS Aerial Photograph Collection: 1) Component 1: County-Based Aerial Photographs (https://www.sciencebase.gov/catalog/item/4f4e4a94e4b07f02db658dba); and 2) Component 2: MD Barrier Island Aerial Photographs (Enlargements) (https://www.sciencebase.gov/catalog/item/4f4e4aafe4b07f02db66cf18). These index maps serve as a finding aid for these two components. All of the index maps have been scanned (most to JPG, PDF, and TIF format). Digital imagery (PDF) for the majority...
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This collection (known internally at Maryland Geological Survey as Component 3) consists of 192 items – 191 unrectified, black-and-white, 19-inch by 19-inch photographic enlargements taken over the Rockville-Laurel area of Montgomery County, Maryland (176 unique frames plus duplicates); and one index map which shows the flight lines for the GS-VRCA-1 flight series. These photographs were flown annually or biannually, during 12 different time periods (or “sets”) between June 1966 and July 1974. The scale of these photographs is unknown. The scale of the index map is 1:125,000. These aerial photographs were scanned by Maryland State Archives (MSA) and are available in JPF, JPG, PDF, and TIF format. The index...
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This collection consists of raw sample analyses of whole rock major oxide with minor element analyses on rock, soil, or stream sediments samples, as well as trace metal analyses. In general, the analyses include only those samples collected from projects involving Alaska Division of Geological & Geophysical Surveys (DGGS) geologists or that appear in DGGS publications. However, many U.S. Bureau Mines and Bureau of Land Management publications and a small percentage of U.S. Geological Survey publications are also included. The database is continually updated as more data is collected and formatted for loading.
map background search result map search result map Collection of geochemical data from Alaska (DGGS) Collection of mineral pulps and mineral core samples from Alaska (GMC) Collection of Hand Samples from Minnesota Collection of Geologic Maps from Iowa Montana Mining Map File Collection Collection of Maine Department of Environmental Protection rock cores Collection of geologic field notes from Washington State Rock hand specimens from Wisconsin Collection of Historic Field Notebooks, Maps, and Photographs from Tennessee Geophysical Logs for Water and Petroleum Wells Collection of Rock Cores from Tennessee Fossil Collection (Virginia) County Aerial Photograph Index Maps, 1936-1980 George M. Colvocoresses mining collection Fred Hohne mining collection Grover Heinrichs mining collection Frederick Warren Osborn Arizona photo collection Montgomery County Aerial Photographs (Enlargements), 1966-1974 Quad-Based Aerial Photographs, 1936-1991 Maine Geological Survey Field Photos Collection Montgomery County Aerial Photographs (Enlargements), 1966-1974 Frederick Warren Osborn Arizona photo collection County Aerial Photograph Index Maps, 1936-1980 Quad-Based Aerial Photographs, 1936-1991 Collection of Historic Field Notebooks, Maps, and Photographs from Tennessee Collection of Rock Cores from Tennessee Collection of Maine Department of Environmental Protection rock cores Maine Geological Survey Field Photos Collection Collection of Geologic Maps from Iowa Fossil Collection (Virginia) Rock hand specimens from Wisconsin Collection of geologic field notes from Washington State George M. Colvocoresses mining collection Fred Hohne mining collection Grover Heinrichs mining collection Geophysical Logs for Water and Petroleum Wells Collection of Hand Samples from Minnesota Montana Mining Map File Collection Collection of geochemical data from Alaska (DGGS) Collection of mineral pulps and mineral core samples from Alaska (GMC)