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 Arkansas Geological Survey Geology (current) Toggle Dropdown General Geology Geochemistry Stratigraphy Geological Mapping Fossils Energy Toggle Dropdown Oil Natural Gas Brine Coal Lignite Fossil Fuel Maps Geohazards Toggle Dropdown Earthquakes Landslides Land Subsidence Expansive Soils Other Geohazards Geohazard Maps Minerals Toggle Dropdown Metallic Industrial Mining and Society Mining Web Map Water Toggle Dropdown Properties Surface Water Ground Water Issues Water Well Reports Water Maps Education Toggle Dropdown Pamphlets Teacher Resources Kid's Corner Geology Resources Educational Links Visitors Maps and Data Toggle Dropdown Arkansas State Maps Fossil Fuel Maps Geohazard Maps Geologic Maps Mining Web Map Topographic Maps Structure Maps Water Maps Well Logs, Cuttings and Cores Publications Toggle Dropdown Annual Reports Arkansas Fact Sheets Bulletins County Geologic Reports Educational Workshop Series Geologic Field Books Guide Books Industrial Mineral Reports Information Circulars Miscellaneous Publications Open-File Reports Roadside Geology Series State Park Series USGS Grants Water Circulars Water Summaries Search -- -- -- Arkansas Geological Survey Home (current) Toggle Home Geology (current) Toggle Dropdown General Geology Geochemistry Stratigraphy Geological Mapping Fossils Energy Toggle Dropdown Oil Natural Gas Brine Coal Lignite Fossil Fuel Maps Geohazards Toggle Dropdown Earthquakes Landslides Land Subsidence Expansive Soils Other Geohazards Geohazard Maps Minerals Toggle Dropdown Metallic Industrial Mining and Society Mining Web Map Water Toggle Dropdown Properties Surface Water Ground Water Issues Water Well Reports Water Maps Education Toggle Dropdown Pamphlets Teacher Resources Kid's Corner Geology Resources Educational Links Visitors Maps and Data Toggle Dropdown Arkansas State Maps Fossil Fuel Maps Geohazard Maps Geologic Maps Mining Web Map Topographic Maps Structure Maps Water Maps Well Logs, Cuttings and Cores Publications Toggle Dropdown Annual Reports Arkansas Fact Sheets Bulletins County Geologic Reports Educational Workshop Series Geologic Field Books Guide Books Industrial Mineral Reports Information Circulars Miscellaneous Publications Open-File Reports Roadside Geology Series State Park Series USGS Grants Water Circulars Water Summaries Search -- Geologic Maps Explore the Geologic Maps of Arkansas Explore Fossil Fuel Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United States. Learn more Industrial Minerals Any rock, mineral, or sediment of economic value – exclusive of metal ores, fossil fuels, and gemstones – is designated as an industrial or a nonmetallic rock/mineral. Learn more Previous Next Latest AGS News During this critical time, the Arkansas Department of Energy and Environment (E&E), Geological Survey (GS), is taking all precautions necessary to reduce the spread of COVID-19. Following Governor Hutchinson’s announcement, Secretary Keogh has directed that our staff begin working remotely effective Monday, March 23. GS is prepared for this type of remote work, and we will continue our mission to perform essential geologic functions and to provide geologic information. Our offices are closed to the public until further notice. However, we are available by email and phone to answer geologic-related questions and provide geologic information. Thank you for your patience and understanding during this unprecedented time. Hydrocarbon Potential and Reservoir Characteristics of the Arbuckle-Knox and Elvins Groups in Northeastern Arkansas Arkansas Fossil Fuels Activity Update For 2018 AR STATEMAP Fact Sheet 2019 from Arkansas's Geological Mapping Program. View All Well Cuttings, Core Inventory, and Well Logs Public Information Contact: email: ags@arkansas.gov The AGS collects and disperses geologic data to its users. This data consists of geologic maps, historical data concerning resources, various datasets, both paper and some electronic-based, concerning water, fossil fuel, and mineral resources of Arkansas. The data is available either as published or unpublished reports, summaries, open-file reports, and maps and may be purchased or viewed on-site. Photocopy facilities are available on-site. Summaries relative to specific resources are posted online as are completed electronic databases and spreadsheets. Back to top © 2020 Policies Accessibility Privacy Security Acceptable Use About AGS History Contact AGS Commissioners Staff About AGS Blog Career Ordering AGS Publication/Map Strategic Plan & Transparency...