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An archive of mineral exploration files is maintained by MN DNR at its Hibbing facility MN DNR mineral exploration files archive
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Paper reports accompanying sample material in Core Repository Paper reports accompanying sample material in Core Repository Currently developing a preliminary database of this material to supplement the inventory.
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Drilling and completion reports accompanying samples in Core Repository Drilling and completion reports accompanying samples in Core Repository Currently developing a preliminary database of this material to supplement the inventory.
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This collection includes geologist's and driller's logs. This collection has not yet been inventoried and cataloged. Please contact the Delaware Geological Survey to inquire about this collection.
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The collection consists of wire-line logs for approximately 20,000 oil and gas wells in West Virginia. The number and type of logs available varies from well to well Paper copies of geophysical logs from oil and gas wells
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Lithology logs from oil and gas wells and stratigraphic tests in various formats, particularly strip logs and lithologic logs of cuttings produced by stratigraphy consulting firms.
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Poorly-labeled boxes of rock, sediment, and fossil specimens collected by individual workers at different times. Also, numerous samples of Cenozoic volcanic ashes that may be of unrealized future value as a reference collection. Hand specimens exist in our collections, but they are completely uncataloged and are improperly stored. This collection may be discarded as additional space restrictions are imposed.
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Field maps and prepublication mylar maps, both from IGS geologists and from USGS geologists who left maps in our custody.
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This collection is comprised of records of coal exploration drill holes provided to KGS by both private companies and public agencies. It includes paper documents of the core or cutting descriptions, scanned images of the documents, and an online database of the subsurface data. Approximately 60% of the records are publically accessible.
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This Collection of Coal Field Measured Sections consists of handwritten descriptions of rock unit sequences measured along roads, railroads, trails, and strip mine highwalls in the Tennessee coal fields. Most of the collection is composed of sections measured by Dr. Harold Wanless during his study of the southern Appalachian coal fields in the late 1930's. Most of the sections are unpublished, except for being included as columnar section illustrations in - Wanless, H.R., 1946, Pennsylvanian geology of a part of the southern Appalachian coal field: Geological Society of America Memoir, 13, 162 p. Other measured sections in this collection originate from published and unpublished sources.
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The Well Cuttings Collection consists of well cuttings from 7,376 oil and gas wells in Virginia. This collection is available for study by scientists, citizens, government agencies, and by industry. DGMR is developing an online web-based application for searching and viewing the information about these well cuttings.
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The Historic Images Collection includes approximately 15,500 photographs, slides, lantern slides and digital media in this collection were taken during the course of geologic, mineral resource, and geologic hazard investigations carried out by Division of Geology and Mineral Resources? geoscientists and Division of Mineral Mining staff beginning in the first half of the 20th century. The collection includes images of important rock outcrops that demonstrate key features of stratigraphic units, fossils indicative of the age of rock formations, outcrop-scale geologic structures such as faults and folds, economically significant minerals and mine sites, and geologic hazards such as landslides and sinkholes. Images...
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To date, the collection consists of about 4,200 unprocessed, surficial sediment (grab) samples collected by Maryland Geological Survey (MGS) from the bottom of the Maryland Chesapeake Bay and its major subestuaries between 1976-1984, as part of the Chesapeake Bay Earth Science Study (CBESS), a multidisciplinary research effort authorized by Maryland and Virginia through the U.S. Environmental Protection Agency (EPA). MGS collected samples according to two sampling schemes, mid-bay and nearshore, and then processed them to develop a baseline inventory of certain physical and geochemical characteristics of bay bottom sediments, in particular, water content, grain size composition, and carbon and sulfur content. Since...
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Unpublished reports, usually associated with a specific project involving Maryland Geological Survey (MGS) staff. Generally, these are file reports or open-file reports that meet the terms of a grant or contract but are not otherwise distributed or included in the MGS List of Publications. They are commonly, but not necessarily, associated with a particular collection(s). Reports, both paper and digital, need to be collected in a central location, organized, catalogued, and archived. Eventually, they should all be digitized/scanned and be made available electronically.
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X-rays and xeroradiographs of marine and estuarine sediment cores collected in Maryland, taken prior to core extrusion. Cores, generally obtained using gravity or box coring equipment, are usually 1-2 m long. This collection has not yet been fully inventoried or cataloged. Need to coordinate cores and all data derived from cores; need to determine best way to store x-rays to preserve them.
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Records in this collection are classified into one of four categories that best characterizes the data contained within the borehole record. The classifications are: Geotechnical: Boreholes and pits created with the intent to gain a detailed understanding of the subsurface lithology and soil or rock properties therein. These records have additional data beyond lithologic descriptions including penetrometer resistance, shear and strength tests, density measurements, etc. Lithologic borings: Boreholes are drill solely for the purpose of identifying subsurface lithology. Material testing techniques were not used (or the results are not provided) to allow for a more detailed understanding of subsurface material properties....
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This dataset is a collection of unpublished geologic field maps and transfer maps that represent over 100 years of field data collected by Virginia geological survey staff. These field records include hand-drawn notes, strike and dip, contacts, economic, structure and paleo information. Some maps have been scanned and are available digitally. Most maps are located in our Charlottesville, Va offices in paper format. All are unique, one-of-a-kind documents.
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Cores represent over 2,000 individual core sites drilled across the State of Wisconsin; stored in over 56,000 (mainly cardboard) boxes; representing approximately 650,000 linear feet of the subsurface. The Flambeau Core subcollection is approximately 3 percent of the collection of rock cores from Wisconsin. Documentation for the Wisconsin core collection is routinely updated, as information becomes available.


map background search result map search result map Collection of boreholes and well logs from Washington State Collection of Paleontological samples from Michigan Collection of Mineral exploration files from MN Collection of Paper reports from South Carolina Collection of Drilling/completion reports from South Carolina Collection of lithology logs from Delaware Collection of Geochemical Samples from Michigan Collection of Geophysical from WV Collection of lithology logs from Nebraska Collection of Hand samples from Nebraska Field maps from Idaho Collection of Coal Exploration Records from Kentucky Historic Images (Virginia) Collection of Cores and Sediment Grab Samples collected from Maryland Chesapeake Bay and Tributaries Collection of X-Rays and Xeroradiographs of Marine and Estuarine Sediment Cores from MD Collection of Unpublished Geological Reports from Maryland Collection of Coal Field Measured Sections from Tennessee Field Maps (Virginia) Oil and Gas Well Cuttings (Virginia) Rock cores from Wisconsin Collection of lithology logs from Delaware Collection of Coal Field Measured Sections from Tennessee Collection of Cores and Sediment Grab Samples collected from Maryland Chesapeake Bay and Tributaries Collection of X-Rays and Xeroradiographs of Marine and Estuarine Sediment Cores from MD Collection of Unpublished Geological Reports from Maryland Collection of Paper reports from South Carolina Collection of Drilling/completion reports from South Carolina Collection of Geophysical from WV Collection of Coal Exploration Records from Kentucky Historic Images (Virginia) Field Maps (Virginia) Oil and Gas Well Cuttings (Virginia) Collection of lithology logs from Nebraska Collection of Hand samples from Nebraska Collection of boreholes and well logs from Washington State Rock cores from Wisconsin Field maps from Idaho Collection of Mineral exploration files from MN Collection of Paleontological samples from Michigan Collection of Geochemical Samples from Michigan