USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology > by state > North Carolina

Beaufort Formation, Undivided

Beaufort Formation, Undivided - Unnamed upper member: sand and silty clay, glauconitic, fossiliferous, and locally calcareous. Jericho Run Member: siliceous mudstone with sandstone lenses, thin bedded; basal phosphatic pebble conglomerate.
StateNorth Carolina
NameBeaufort Formation, Undivided
Geologic ageTertiary
Original map labelTpa
Primary rock typesand
Secondary rock typeclay or mud
Other rock typessilt; mudstone; sandstone; conglomerate
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > SandUnnamed upper member: sand; glauconitic, fossiliferous, and locally calcareous
Minor
Sedimentary > Clastic > Mudstone (Bed)Jericho Run Member: siliceous mudstone, thin bedded
Unconsolidated > Fine-detrital > ClayUnnamed upper member: silty clay; glauconitic, fossiliferous, and locally calcareous
Unconsolidated > Fine-detrital > SiltUnnamed upper member: silty clay; glauconitic, fossiliferous, and locally calcareous
Incidental
Sedimentary > Clastic > ConglomerateJericho Run Member: basal phosphatic pebble conglomerate.
Sedimentary > Clastic > Sandstone (Lense)Jericho Run Member: with sandstone lenses
Map references
The North Carolina Dept. of Environment, Health, and Natural Resources, Division of Land Resources, NC Geological Survey, in cooperation with the NC Center for Geographic Information and Analysis, 1998, Geology - North Carolina (1:250,000), coverage data file geol250. The data represents the digital equivalent of the official State Geology map (1:500,000 scale), but was digitized from (1:250,000 scale) base maps.
Unit references
Rhodes, Thomas S., and Conrad, Stephen G., 1985, Geologic Map of North Carolina: Department of Natural Resources and Community Development, Division of Land Resources, and the NC Geological Survey, 1:500,000-scale, compiled by Brown, Philip M., et al, and Parker, John M. III, and in association with the State Geologic Map Advisory Committee.
The North Carolina Dept. of Environment, Health, and Natural Resources, Division of Land Resources, NC Geological Survey, in cooperation with the NC Center for Geographic Information and Analysis, 1998, Geology - North Carolina (1:250,000), coverage data file geol250. The data represents the digital equivalent of the official State Geology map (1:500,000 scale), but was digitized from (1:250,000 scale) base maps.
Geographic coverageCraven - Lenoir - Pender

Show this information as [XML] - [JSON]

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoUSA.gov logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=NCTpa;11
Page Contact Information: Peter Schweitzer