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Field notebook of the New Jersey Geological Survey written by Meredith Johnson; statewide field notes, various locations, differing tasks, personal correspondences
Categories: Data; Tags: ndc_collection
the NJGWS scanned the Mineral Commodities Books in its possession. There are six books in this collection. They date from the late 1800’s to about 1915 and include all mining activities and statistics reported to the NJ Geological Survey during those years.
Categories: Data; Tags: ndc_collection
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This collection (known internally at Maryland Geological Survey as Component 8) consists of 211 infrared, 9 in. by 9 in. aerial photographs (211 unique frames) flown on a 7.5-minute U.S. Geological Survey (USGS) quadrangle basis. The photographs date from 1988-1989 and were flown or otherwise acquired by the USGS National Aerial Photograph Program (NAPP). The Maryland counties covered by these photographs include Allegany, Anne Arundel, Calvert, Cecil, Charles, Dorchester, Kent, Prince George’s, Queen Anne’s, Somerset, St. Mary’s, Talbot, Washington, and Worcester Counties. The scale of these photographs is not printed on the photographs; however, Maryland Geological Survey (MGS) calculates the scale to be approximately...
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Collection includes cores extracted during drilling operations including the U.S. Geological Survey for the purposes of site investigations in the Meddybemps township. Please contact the Maine Geological Survey to discuss access to the collection.
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The 3002’ length core was extracted from the Redstone Quarry in Conway, NH in 1975 as part of an evaluation of geothermal potential produced by the natural decay of several radioactive minerals present in the Jurassic age Conway Granite pluton. The core extracted from the borehole at the Redstone Quarry is the deepest core drilled in New Hampshire. The Redstone Core project was part of a collaboration between the New Hampshire State Geologist and the U.S. Energy Research and Development Administration. Significant geothermal resources were not found. NHGS estimates that approximately half of the original 3002’ foot core remains in core boxes with sufficient documentation tags to identify the depth intervals each...
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Collection includes rock cores extracted during drilling operations for Getty - Mount Chase base metal exploration. Please contact the Maine Geological Survey to discuss access to the collection.
Collection includes cores extracted over decades by mineral exploration firms as they completed their Maine work or otherwise released their data, covering both public and private lands that were the subject of mineral exploration. These records represent the best public collection of the major mineral exploration efforts of the 1960s-1980s. This collection of 595 scanned core records is accessible through a Google Earth application. Please contact the Maine Geological Survey to discuss access to the collection.
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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 Virginia Energy 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 are available online in JPG format. High resolution imagery is available...
As part of its Geologic Legacy Program, the NJGWS scanned and digitized documents from recently retired geologist Richard Volkert. These documents scanned included 46 bedrock geology field notebooks.
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Collection includes rock cores extracted during drilling operations by Billiton Metals and Ores for tin exploration in Waterville, Winslow. Please contact the Maine Geological Survey to discuss access to the collection.
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Provide access to digital versions of historical mining and mineral exploration claims maps and documents.
As part of its Geologic Legacy Program, the NJGWS scanned and digitized documents from recently retired geologist Richard Volkert. As part of this project the NJGWS digitized of approximately 17,297 field locations from his field maps and notebooks.
Categories: Data; Tags: ndc_collection
The NJGWS scanned and digitized 517 penciled, historic geologic mine logs from New Jersey’s mines, pits and quarries. The data contained on the paper index cards dates back to the 1980’s. Collection 3
Categories: Data; Tags: ndc_collection
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Static metadata (current to August 2018) of Minnesota's borehole geophysical log collection maintained by the Minnesota Geological Survey. This collection is web-accessible through the MGS Open Data Portal at https://z.umn.edu/borehole_geo, where users can obtain the most up-to-date information pertaining to old and new borehole geophysical logs and download corresponding PDF and LAS files for each log (if available). The Borehole Geophysical Database (BGD) is a collection of over 7000 borehole geophysical logs of water wells and drill holes throughout Minnesota. Database collections reside at the Minnesota Geological Survey (MGS) and are continually maintained and expanded upon by MGS staff as part of MGS mapping...
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Collection includes mineral exploration cores originally obtained by the U.S. Bureau of Mines. Exploration for base metals, Mn-slate, alkaline earth elements was conducted. Cores were obtained from the following locations in Maine: Albany, Blue Hill, Brooksville, Buckfield, Hammond, Newry, Spencer Lake, TDR2, T9R3. Please contact the Maine Geological Survey to discuss access to the collection.
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Collection of rock cores extracted during drilling operations conducted for the Maine Yankee nuclear power plant in Wiscasset, Maine. The plant has been decommissioned and removed. Spent nuclear fuel remains on site. Please contact the Maine Geological Survey to discuss access to the collection.
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Dataset contains point data describing the results of 1-channel and 12-channel seismic refraction studies mapped at a scale of 1:24,000, from the Maine Geological Survey. The results include the depth to the water and depth to the bedrock. Links are also provided, when available, to the profile graphs for the seismic line.
map background search result map search result map Collection of U.S. Bureau of Mines rock cores in Maine Collection of USGS Meddybemps rock cores Collection of Getty - Mount Chase rock cores Collection of Billiton Metals and Ores rock cores Collection of Maine Yankee rock cores Historic Images (Virginia) Quad-Based Infrared Aerial Photographs, 1988-1989 Suhas Ghatge Field Notes Collection Meredith Johnson, Former State Geologist, Field Notes Geologic mine logs from New Jersey's mines pits and quarries. Minerals commodities books Rich Volkert, Former Geologist, Field Notes Rich Volkert, Former Geologist, Station Points Maine Seismic Refraction Profiles ArcGIS Online Feature Layer Borehole Maps and Logs Created During Interstate 80 Construction Collection of Borehole Geophysical Logs from Minnesota Maine Geological Survey Field Photos - Dr. Joseph T. Kelley Collection Maine Geological Survey Mining Claims Maps and Documents Exploratory Drill Core (Redstone Core) from Conway, New Hampshire Exploratory Drill Core (Redstone Core) from Conway, New Hampshire Suhas Ghatge Field Notes Collection Meredith Johnson, Former State Geologist, Field Notes Geologic mine logs from New Jersey's mines pits and quarries. Minerals commodities books Rich Volkert, Former Geologist, Station Points Rich Volkert, Former Geologist, Field Notes Borehole Maps and Logs Created During Interstate 80 Construction Quad-Based Infrared Aerial Photographs, 1988-1989 Collection of U.S. Bureau of Mines rock cores in Maine Collection of USGS Meddybemps rock cores Collection of Getty - Mount Chase rock cores Collection of Billiton Metals and Ores rock cores Collection of Maine Yankee rock cores Maine Seismic Refraction Profiles ArcGIS Online Feature Layer Maine Geological Survey Field Photos - Dr. Joseph T. Kelley Collection Maine Geological Survey Mining Claims Maps and Documents Historic Images (Virginia) Collection of Borehole Geophysical Logs from Minnesota