Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan /

The Portage Lake Volcanics (Middle Keweenawan) on Isle Royale, Michigan /
by: Huber, N. King (Norman King), 1926-
Published: (1973)

Tephra Studies : Proceedings of the NATO Advanced Study Institute "Tephra Studies as a Tool in Quaternary Research", held in Laugarvatn and Reykjavik, Iceland, June 18.29, 1980 /
Published: (1981)

Some effects of recent volcanic ash falls : with especial reference to Alaska /
by: Wilcox, Ray E. (Ray Everett), 1912-2012
Published: (1959)

Map showing outcrops of pre-quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Northern California /
Published: (1985)

Map showing outcrops of pre-Quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Arizona /
Published: (1984)

Map showing outcrops of pre-quaternary ash-flow tuffs and volcani-clastic rocks, basin and range province, Nevada /
Published: (1985)

Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan /
by: Bornhorst, Theodore J.
Published: (1993)

Map showing outcrops of pre-quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Utah /
Published: (1984)

Map showing outcrops of pre-quaternary ash-flow tuffs, basin and range province, Southern California /
Published: (1984)

Volcanic geology in parts of the southern Peloncillo Mountains, Arizona and New Mexico /
by: McIntyre, David H.
Published: (1988)

Volcanism in Hawaii /
Published: (1987)

Ash-flow tuffs of the Galiuro Volcanics in the northern Galiuro Mountains, Pinal County, Arizona /
by: Krieger, Medora Louise Hooper, 1905-
Published: (1979)

Tephra layers of Blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah : isotopic ages, correlation, and magnetostratigraphy /
Published: (2005)

Pre-1980 tephra-fall deposits erupted from Mount St. Helens, Washington /
by: Mullineaux, Donal Ray, 1925-
Published: (1996)

Petrology of the volcanic rocks of Guam /
by: Stark, J. T. (John Thomas), 1888-, et al.
Published: (1963)

Electron microprobe analyses of glasses from Kīlauea tephra units, Kīlauea Volcano, Hawaii /
by: Helz, Rosalind Tuthill, et al.
Published: (2014)

Petrology and physiographic evolution of the Ocate volcanic field, north-central New Mexico /
by: O'Neill, J. Michael, et al.
Published: (1988)

Fish Creek Mountains Tuff and volcanic center, Lander County, Nevada /
by: McKee, Edwin H.
Published: (1970)

Geology of the Mount Aetna volcanic center, Chaffee and Gunnison counties, Colorado /
by: Toulmin, Priestley, et al.
Published: (1990)

Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan /
by: Bornhorst, Theodore J., et al.
Published: (1993)

Abandonment of the name Hartford Hill rhyolite tuff and adoption of new formation names for middle Tertiary ash-flow tuffs in the Carson City - Silver City area, Nevada /
by: Bingler, Edward C.
Published: (1978)

Table Mountain Quartzite and Moose Formation (new names) and associated rocks of the middle Proterozoic Belt Supergroup, Highland Mountains, southwestern Montana /
by: O'Neill, J. Michael
Published: (1995)

World map showing surface and subsurface distribution and lithologic character of Middle and Late Neoproterozoic rocks /
by: Stewart, J. H., 1928-2013
Published: (2007)

Petrology, mineralogy, and geochemistry of the east Molokai volcanic series, Hawaii /
by: Beeson, Melvin H.
Published: (1976)

A compositionally zoned ash-flow sheet in southern Nevada /
by: Lipman, Peter W., et al.
Published: (1966)

Mount St. Helens volcanic-ash fall in the Bull Run Watershed, Oregon, March-June 1980 /
by: Shulters, M. V., 1950-, et al.
Published: (1980)

Stratigraphic and volcano-tectonic relations of Crater Flat Tuff and some older volcanic units, Nye County, Nevada /
by: Carr, Wilfred James, 1926-, et al.
Published: (1986)

Geochemistry and geochronology of middle Tertiary volcanic rocks of the Central Chiricahua Mountains, Southeast Arizona /
by: Du Bray, E. A., et al.

First International Symposium on Volcanic Ash and Aviation Safety : program and abstracts : Seattle, Washington, July 8-12, 1991 /
Published: (1991)

Map showing outcrops of pre-quaternary ash-flow tuff and laharic breccia, basin and range province, New Mexico /
Published: (1984)

Volcanic suites and related cauldrons of Timber Mountain-Oasis Valley caldera complex, southern Nevada /
by: Byers, F. M. (Frank M.), 1916-
Published: (1976)

Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama /
by: Baitis, Karin E., et al.
Published: (2015)

Stratigraphy, preliminary petrology, and some structural features of Tertiary volcanic rocks in the Gabbs Valley and Gillis Ranges, Mineral County, Nevada /
by: Ekren, E. B. (Einar Bartlett), 1923-, et al.
Published: (1980)

Pliocene volcanic rocks of the Coso Range, Inyo County, California /
by: Novak, Steven W., et al.
Published: (1986)

Geology of the Red Mountain mining district, Esmeralda County, Nevada /
by: Keith, William J., 1933-
Published: (1977)

The Maudlow and Sedan Formations of the Upper Cretaceous Livingston Group on the west edge of the Crazy Mountains Basin, Montana /
by: Skipp, Betty, 1928-, et al.
Published: (1977)