Some OPAL libraries remain closed or are operating at reduced service levels. Materials from those libraries may not be requestable; requested items may take longer to arrive. Note that pickup procedures may differ between libraries. Please contact your library for new procedures, specific requests, or other assistance.
Your session will expire automatically in 0 seconds.
Igneous rocks -- Montana -- Boulder Batholith. : Distribution of thorium, uranium, and potassium in igneous rocks of the Boulder batholith region, Montana, and its bearing on radiogenic heat production and heat flow / by Robert I. Tilling and David Gottfried.
1969
1
Igneous rocks -- Montana -- Craig Region. : ⁴⁰Ar/³⁹Ar and K-Ar geochronology and tectonic significance of the Upper Cretaceous Adel Mountain volcanics and spatially associated Tertiary igneous rocks, northwestern Montana / by Stephen S. Harlan ... [and others].
2005
1
Igneous rocks -- Montana -- Jefferson County. : Igneous geology of the Dry Mountain quadrangle, Jefferson County, Montana : a description of the petrology and structure of the igneous rocks along the east margin of the Boulder batholith / by Harold J. Prostka.
Igneous rocks -- Nevada -- Battle Mountain Mining District. : Geochemistry and potassium-argon ages of plutonic rocks in the Battle Mountain mining district, Lander County, Nevada / by Ted G. Theodore, Miles L. Silberman, and David W. Blake.
Igneous rocks -- Nevada -- Databases. : Geochemical database for igneous rocks of the ancestral Cascades arc--southern segment, California and Nevada / by Edward A. du Bray ... [and others].
Igneous rocks -- Nevada -- Lander County. : Geochemistry and potassium-argon ages of plutonic rocks in the Battle Mountain mining district, Lander County, Nevada / by Ted G. Theodore, Miles L. Silberman, and David W. Blake.
Igneous rocks -- New Mexico. : Hydrogeology of the Cenozoic igneous rocks, Navajo and Hopi Indian Reservations Arizona, New Mexico, and Utah / by J. P. Akers, J. C. Shorty, and P. R. Stevens; prepared in cooperation with the Bureau of Indian Affairs and the Navajo Tribe.
Igneous rocks -- Oregon -- Hood, Mount. : Geologic field-trip guide of volcaniclastic deposits from snow- and ice-capped volcanoes--Mount St. Helens , Washington and Mount Hood, Oregon / by Thomas C. Pierson [and three others] ; prepared in cooperation with the Bureau of Reclamation.
Igneous rocks -- Pacific States -- Databases. : Geochemical database for volcanic rocks of the Western Cascades, Washington, Oregon, and California / by Edward A. du Bray ... [and others].
2006
1
Igneous rocks -- Peru -- Marañón Basin. : ⁴⁰Ar/³⁹Ar geochronology of hypabyssal igneous rocks in the Marañon basin of Peru--a record of thermal history, structure, and alteration [electronic resource] / by L.M. Prueher, R. Erlich, and L.W. Snee.
Igneous rocks -- Russia (Federation) -- Siberia. : Geological tour of Devonian and Ordovician magmatism of Kuznetsk Alatau and Minusinsk Basin : Altay-Sayan Region, Siberia / Richard Ernst, Vassily V. Vrublevskii, Platon Tishin, editors.
2020
1
Igneous rocks -- Saudi Arabia. : The Uyaijah ring structure, Kingdom of Saudi Arabia / by F. C. W. Dodge; prepared in cooperation with the Saudi Arabian Ministry of Petroleum and Mineral Resources.
Igneous rocks -- Utah -- La Sal Mountains. : Structural and igneous geology of the La Sal Mountains, Utah / by Charles B. Hunt; with collaboration by Aaron C. Waters on the North La Sal stock and the origin and evolution of the magmas.
Igneous rocks -- Vermont. : Petrology and geochemistry of selected talc bearing ultramafic rocks and adjacent country rocks in north-central Vermont / by A.H. Chidester.
1962
1
Igneous rocks -- Virginia. : Principal oil and gas plays in the Appalachian basin (Province 131) / by Wallace de Witt, Jr. Middle Eocene intrusive igneous rocks of the central Appalachian valley and ridge province-setting, chemistry, and implications for crustal structure / by C. Scott Southworth, Karen J. Gray, and John F. Sutter.
1992
1
Igneous rocks -- Washington (State) : Low-temperature reaction zones and alpine ultramafic rocks of California, Oregon, and Washington / by Robert G. Coleman.
1967
1
Igneous rocks -- Washington (State) -- Saint Helens, Mount. : Geologic field-trip guide of volcaniclastic deposits from snow- and ice-capped volcanoes--Mount St. Helens , Washington and Mount Hood, Oregon / by Thomas C. Pierson [and three others] ; prepared in cooperation with the Bureau of Reclamation.
Igneous rocks -- West Virginia. : Principal oil and gas plays in the Appalachian basin (Province 131) / by Wallace de Witt, Jr. Middle Eocene intrusive igneous rocks of the central Appalachian valley and ridge province-setting, chemistry, and implications for crustal structure / by C. Scott Southworth, Karen J. Gray, and John F. Sutter.
1992
1
Ignimbrite. : Zones and zonal variations in welded ash flows / by Robert L. Smith.