Upper Triassic and/or Lower Jurassic Marine Rocks

Conglomerate, gritstone, graywacke, and carbonaceous argillite of northwestern Whatcom County.
State Washington
Name Upper Triassic and/or Lower Jurassic Marine Rocks
Geologic age Cretaceous-Triassic
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate (Bed)Includes metaconglomerate.
Incidental
Metamorphic > Metasedimentary > Metaclastic > ArgilliteIncludes meta-argillite.
Sedimentary > Clastic > Sandstone > Graywacke (Bed)
Sedimentary > Clastic > Sandstone > Arenite (Bed)Includes metasandstone.
Stratigraphic units Bald Mountain Formation
References

Huntting, M.T., Bennett, W.A.G., Livingston, V.E.Jr., and Moen, W.S., 1961, Geologic Map of Washington: Washington Division of Mines and Geology, scale 1:500,000.

Dragonovich, J.D., Norman, D.K., Haugerud, R.A., Pringle, P.T., 1997, Geologic Map and Interpreted Geologic History of the Kendall and Deming 7.5-minute Quadrangles, Western Whatcom County, Washington: Washington Division of Geology and Earth Resources Open File Report 97-2, 39 p., 2 pls.

Dragovich, J.D., Logan, R.L., Schasse, H.W., Walsh, T.J., Lingley, W.S., Jr., Norman, D.K., Gerstel, W.J., Lapen, T.J., Schuster, J.E., Meyers, K.D., 2002, Geologic Map of Washington-Northwest Quadrant: Washington Division of Geology and Earth Resources Geologic Map GM-50, scale 1:250,000.

Misch, P., 1966, Tectonic evolution of the northern Cascades of Washington--A west-cordilleran case history. In Canadian Institute of Mining and Metallurgy; and others, A symposium on the tectonic history and mineral deposits of the western Cordillera in British Columbia and neighboring parts of the United States, Vancouver, 1964: Canadian Institute of Mining and Metallurgy Special Volume 8, p. 101-148, 1 pl.

NGMDB product
Counties Whatcom