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Heat capacity of polystyrene from 275 to 315 K

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Rhyolitic glass in Ordovician K-bentonites: A new stratigraphic tool: Comment and reply

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"Are you a scientist, too?" : a primer of simple activities for geoscientists visiting K-2 classrooms

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Overview of environmental and hydrogeologic conditions at the Merle K. "Mudhole" Smith Airport near Cordova, Alaska

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A reevaluation of the calorimetric data for the enthalpy of formation of some K- and Na-bearing silicate minerals

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Enthalpy and Gibbs energy of formation of dolomite, CaMg(CO3)2, at 298.15 K from HCl solution calorimetry

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Mineralogical studies of the nitrate deposits of Chile: VII. Two new saline minerals with the composition K6(Na,K)4Na6Mg10 (XO4) 12(IO3)12.12H2O: fuenzalidaite (X = S) and carlosruizite (X = Se)

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Permeability-porosity relationships in sedimentary rocks

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The feasibility of recharge rate determinations using the steady-state centrifuge method

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Map adventures

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An experimental study of zinc chloride speciation from 300 to 600 °C and 0.5 to 2.0 kbar in buffered hydrothermal solutions

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Potassium-argon geochronology of a basalt-andesite-dacite arc system: the Mount Adams volcanic field, Cascade Range of southern Washington

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Geochemistry of the 1989-1990 eruption of redoubt volcano: Part I. Whole-rock major- and trace-element chemistry

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Possible Mesozoic age of Ellenville Zn-Pb-Cu(Ag) deposit, Shawangunk Mountains, New York

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A microassay for gill sodium, potassium-activated ATPase in juvenile Pacific salmon

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Classification of vegetation communities in which geese rear broods on the Yukon-Kuskokwim Delta, Alaska

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Decline in a population of spectacled eiders nesting on the Yukon-Kuskokwim Delta, Alaska

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Variations in the chemical and stable isotope composition of carbon and sulfur species during organic-rich sediment alteration: An experimental and theoretical study of hydrothermal activity at Guaymas Basin, Gulf of California

Illustrations
USGS IMAP 2327: Geologic maps of the Olympus Mons region of Mars

USGS IMAP 2327: Geologic maps of the Olympus Mons region of Mars
Illustrations
USGS IMAP 2391: Geologic map of the MTM -85080 quadrangle (revised), Planum Australe region of Mars

USGS IMAP 2391: Geologic map of the MTM -85080 quadrangle (revised), Planum Australe region of Mars
Illustrations
Inset of USGS IMAP 2327: Geologic maps of the Olympus Mons region of Mars

INSET: USGS IMAP 2327: Geologic maps of the Olympus Mons region of Mars
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The geologic history of Redoubt Volcano, Alaska

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Isotopic complexities and the age of the Delfonte volcanic rocks, eastern Mescal Range, southeastern California: Stratigraphic and tectonic implications

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Flow path studies in forested watersheds of headwater tributaries of Brush Brook, Vermont

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Experimental studies of alunite: I. 18O-16O and D-H fractionation factors between alunite and water at 250-450°C

Illustrations
USGS IMAP 2328: Geologic map of the Tiamat Sulcus Quadrangle (Jg-9) of Ganymede

USGS IMAP 2328: Geologic map of the Tiamat Sulcus Quadrangle (Jg-9) of Ganymede
Illustrations
Inset of USGS IMAP 2328: Geologic map of the Tiamat Sulcus Quadrangle (Jg-9) of Ganymede

INSET: USGS IMAP 2328: Geologic map of the Tiamat Sulcus Quadrangle (Jg-9) of Ganymede
Illustrations
Inset of USGS IMAP 2391: Geologic map of the MTM -85080 quadrangle (revised), Planum Australe region of Mars

INSET: USGS IMAP 2391: Geologic map of the MTM -85080 quadrangle (revised), Planum Australe region of Mars
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Age and Sr isotopic composition of volcanic rocks in the Maricunga Belt, Chile: Implications for magma sources

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Baseline element concentrations in soils and plants, Bull Island, Cape Romain National Wildlife Refuge, South Carolina, U.S.A.

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