Intended use of data: Base layer for spatial analysis.
Resource Data, Inc. completed edits and updates to the ARC/INFO data based on direction from Alaska Earth Sciences and the U.S. Bureau of Mines.
Revisions: None
Reviews_Applied_to_Data: The data were reviewed by Alaska Earth Science of Anchorage and the U.S. Bureau of Mines.
Related_Spatial_and_Tabular_Data_Sets: None.
Use_Restrictions:
Regional application in Alaska. Due to the size of the coverage, software
limitations, and to facilitate mapping, the mineral terrane data has been
placed into a series of tiles.
Mafic-ultramafic rocks
IMA Mafic intrusive rocks
IUM Ultramafic rocks
VOLCANIC-SEDIMENTARY TERRANES
Felsic volcanic rocks
VFU Undivided felsic volcanic rk
VFA Alkalic felsic volcanic rocks
VSF Undivided sedimentary and felsic volcan
Mafic Volcanic Rocks
VMU Undivided mafic volcanic rk
VSM Undivided sedimentary and mafic volcani
VOP Ophiolite terrane
SEDIMENTARY TERRANES
Marine Rocks
SLS Limestone and shale
SBS Black, carbonaceous shale and limeston
SPS Phosphatic shale
SCH Chert
Continental Rocks
SCG Conglomerate
SCB Coal-bearing sandstone and shale
SGS Graywacke and shale
SLU Limestone