Found 13 datasets matching "chert".
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Percent of size fraction and settling times
Search relevance: 92.46 | Views last month: 0 -
The Middle–Upper Triassic Shublik Formation is the main source rock for Arctic Alaska oil and gas accumulations, including the supergiant Prudhoe Bay field. A revised stratigraphic framework...
Search relevance: 35.23 | Views last month: 0 -
This data release contains model input and output files for simulating and predicting thermal spring flows at Hot Springs National Park (HOSP), Hot Springs, Arkansas. A three-dimensional...
Search relevance: 25.59 | Views last month: 1 -
Burnsville Cove in Bath and Highland Counties (Virginia, USA) is a karst region in the Valley and Ridge Province of the Appalachian Mountains. The region contains many caves in Silurian to...
Search relevance: 25.08 | Views last month: 2 -
This Data Release includes information to support the characterization of surface/near-surface infiltration rates of selected landslide source area materials following Hurricane Maria across...
Search relevance: 18.55 | Views last month: 0 -
Underwater archaeologists, led by James Adovasio and Andy Hemmings of Mercyhurst College, dove at four sites that were first visited in 2009. At these locations, electronically...
Search relevance: 16.49 | Views last month: 0 -
A team of underwater archaeologists from across the country, led by James Adovasio and Andy Hemmings of Mercyhurst University, will be diving at two sites off Florida’s Gulf Coast that...
Search relevance: 16.02 | Views last month: 0 -
The Ouachita Mountains record the late Paleozoic Laurentia-Gondwana orogenic event along southern Paleo-North America during Pangea supercontinent formation. This data release contains a digital...
Search relevance: 14.00 | Views last month: 0 -
The geology of an area of 660 square miles mostly in the northeastern corner of Tennessee and small adjacent areas in Virginia and North Carolina is the subject of this report. The region lies...
Search relevance: 12.71 | Views last month: 1 -
A U.S. Geological Survey (USGS) provisional geochemical and mineralogical database for hydrocarbon-rich shale in the Appalachian region has been compiled by Catherine Enomoto, Frank Dulong and...
Search relevance: 10.51 | Views last month: 0 -
The geodatabase for the Charlotte 1 degree × 2 degrees quadrangle by Goldsmith and others (1988) was compiled in the Geologic Map Schema (GeMS). The geologic map extends across four lithotectonic...
Search relevance: 8.98 | Views last month: 1 -
Cell maps for each oil and gas assessment unit were created by the USGS to illustrate the degree of exploration, type of production, and distribution of production in an assessment unit or...
Search relevance: 7.52 | Views last month: 1 -
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of...
Search relevance: 7.35 | Views last month: 0
