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Igneous rocks
Rocks formed from melted rock that has cooled and solidified.
Subtopics:
Volcanic rocks (10 items)
Plutonic rocks (17 items)
Related topics:
Results 1 - 10 of 27 listed by similarity [list alphabetically]
PDF Complete analytical data for Jurassic igneous rocks in the Bald Mountain mining district, Nevada [New Window]
Petrographic and geochemical analyses of 50 outcrop samples and 58 drill core samples.
Distribution of igneous rocks in Medina and Uvalde counties, Texas, as inferred from aeromagnetic data [New Window]
High resolution aeromagnetic survey used to infer the locations of igneous rock bodies in the area, which are provided in GIS data files
Net acid production, acid neutralizing capacity, and associated mineralogical and geochemical characteristics of Animas River watershed igneous rocks near Silverton, Colorado [New Window]
Chemical analysis of altered volcanic rocks to determine their potential for neutralization of acid-rock drainage. Includes magnetic susceptibility measurements as well.
A geochemical isotopic (Nd-Pb) comparison of volcanic rocks erupted during the last 3,550 yrs. B.P. of interplinian activity of Somma-Vesuvius Volcano, southern Italy [New Window]
Nd and Pb isotopic analyses from stratigraphic sampling from Somma-Vesuvius volcanic complex, Italy, during the last 3550 years point to contributions from heterogeneous lithosphere, continental crust, and magma mixing.
Cretaceous magmatic rocks of Alaska [New Window]
Data derived from the 1994 map "Latest Cretaceous and Cenozoic magmatic rocks of Alaska" compiled by E.J. Moll-Stalcup, D.A. Brew, and T.L. Vallier, published (at 1:2,500,000 scale) in volume G-1 of "The Geology of Alaska" (GSA)
XLS Uranium-lead zircon ages and Sr, Nd, and Pb isotope geochemistry of selected plutonic rocks from western Idaho [New Window]
U-Pb geochronology and isotopic studies of select plutons across the Salmon River suture in western Idaho.
Alaska Geochemical Database [New Window]
Geochemical analyses of rock, sediment, soil, mineral, and heavy mineral concentrate samples in Alaska analyzed from 1962 through 2009
Alaska Geochemical Database (AGDB)-Geochemical data for rock, sediment, soil, mineral, and concentrate sample media [New Window]
Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.
Bedrock geologic map of the Ashland and the northern part of the Ironwood 30 min X 60 min quadrangles, Wisconsin and Michigan [New Window]
Bedrock Geologic Map of the Port Wing, Solon Springs, and Parts of the Duluth and Sandstone 30' X 60' Quadrangles, Wisconsin [New Window]
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