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Date: 2013
Subject Keyword: 040300 Geology | 040400 Geophysics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/275451
Description: The Rabinal Granite is a peraluminous S-type composite pluton formed upon partial melting of a metasedimentary source region that fringes the southernmost North America plate in central Guatemala. It ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/267533
Description: Oxygen isotope ratios of olivine have become a widely used tool for the study of magmatic systems, especially in the interpretation of source heterogeneities in mantle plume-derived ocean island basal ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 040300 Geology | 040200 Geochemistry
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/267539
Description: Rhenium-depletion model ages (TRD) of sulfi des in peridotite xenoliths from the subcontinental mantle beneath central Spain (the Calatrava volcanic fi eld) reveal that episodes of mantle magmatism an ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 040300 Geology | 040200 Geochemistry
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/301996
Description: The contact between mantle peridotite and gabbro from the lower oceanic crust is usually underlined by a horizon of dunite. The origin of this dunitic transition zone (DTZ) is still debated. It is vie ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 040300 Geology | 040200 Geochemistry
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/179189
Description: To investigate formation of the Earth's earliest continental crust, partial-melting experiments were conducted (at 900-1100 °C and 0.5-3.0GPa) on two greenstones from the 4.3 Ga Nuvvuagittuq complex o ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/207175
Description: Tomographic studies of the mantle of southern California (USA) commonly found evidence for seismically high speed material, known as the Isabella anomaly, extending from near the base of the crust of ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/189578
Description: The Os-isotope compositions of platinum-group minerals (PGMs) in ophiolite chromitites are commonly regarded as resistant to fluid-related processes, and have been used to track the evolution of Earth ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/135326
Description: Uplift, exhumation, and denudation of the lower oceanic crust are recorded by sedimentary rocks of Macquarie Island (54°30′S, 158°54′E), which were deposited within the slow-spreading proto-Macquarie ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/163920
Description: The sources of igneous rocks in the continental crust are elusive, but they may be traced by radiogenic isotopes, which convey a message about the age and composition of the concealed parts of the con ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/164781
Description: The Cretaceous Prairie Creek lamproites of southern Arkansas intrude Proterozoic crust near the boundary between the 1.5-1.3 Ga Granite-Rhyolite Province and the 1.3-1.0 Ga Grenville orogen. They carr ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/151080
Description: A voluminous Cambrian-Ordovician sequence of quartz-rich sandstones was deposited in northern Gondwana following its assembly by a series of Neoproterozoic-Cambrian orogenic events. Paleocurrent marke ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/146863
Description: U/Pb detrital zircon ages from global modern river sediments define eight peak clusters centered at 2700, 2500, 2010, 1840, 1600, 1150, 600, and 300 Ma. These clusters extend vertically into both posi ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/165550
Description: Acquiring accurate eruption records and understanding the volcanic processes behind eruption periodicity are important in the development of realistic hazard assessments and volcanic emergency plannin ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/159261
Description: A shallow-dipping ductile mylonitic shear zone and concordant brittle detachment fault (Mai'iu fault) together make up the dominant geological structure that controls the orientation of dip slopes on ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/301994
Description: Structural and petrological study of the Oman ophiolite shows that normal faults at oceanic spreading centers can root in incompletely crystallized cumulates and form at the same time as melt is being ... More
Reviewed: Reviewed