Results 211 to 220 of about 1,407 (268)

Paleoproterozoic Mississippi Valley-type mineralization at Black Angel, Greenland: evidence from sulfide δ⁶⁶Zn and rhenium-osmium geochronology. [PDF]

Miner Depos
Saintilan NJ, Archer C, Szilas K, Krüger Geertsen K, Rosa D, Spangenberg JE.   +5 more
europepmc   +1 more source

Open-closed conduit transitions regulate the large magnitude explosive eruptions of Petrazza, PaleoStromboli I (Stromboli, Italy). [PDF]

Sci Rep
Nicotra E, Minniti M, Ridolfi F, Sulpizio R, Tranne CA, Lucchi F.   +5 more
europepmc   +1 more source

Astronomical calibration of the middle Cambrian in Baltica: Global carbon cycle synchronization and climate dynamics

Jamart V, Pas D, Hinnov L, Spangenberg J, Adatte T, Nielsen A, Schovsbo N, Thibault N, Arts M, Daley A.   +9 more
europepmc   +1 more source

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Experimental metamorphic petrology

Reviews of Geophysics, 1975
The past quadrennium, 1971–1974 inclusive, has seen a great variety of published work in experimental metamorphic petrology. Numerous phase equilibrium studies as well as many determinations of physical properties of minerals have been produced. Whereas the last report contained 270 references, this report contains over 475, illustrative not only of ...
D. A. Hewitt, M. C. Gilbert
openaire   +2 more sources

Metamorphic petrology

Reviews of Geophysics, 1983
Continued advances in thermodynamic models of mineral and fluid equilibrium and in the kinetics of mineral reactions have made metamorphic petrology a quantitative science. Thermometers and barometers for many rocks are accurate enough to locate the origin of the rocks in the crust and mantle, and the development of kinetic models promises to enable ...
openaire   +2 more sources

Structure and metamorphic petrology of the Forth metamorphic complex

2023
The Forth Metamorphics outcrop in the lower reaches of the Forth River, Northern Tasmania and comprise a banded garnetiferous schist and quartzite, interlayered with sub-ordinate orthoamphibolites of tholeiitic MORB-type affinity. Geochemical and sedimentological constraints are consistent with a passive continental depositional environment and the ...
openaire   +1 more source

Time and Metamorphic Petrology: Calcite to Aragonite Experiments

Science, 1992
Although the equilibrium phase relations of many mineral systems are generally well established, the rates of transformations, particularly in polycrystalline rocks, are not. The results of experiments on the calcite to aragonite transformation in polycrystalline marble are different from those for earlier experiments on powdered and single-crystal ...
Bradley R. Hacker, Steven R. Bohlen, Stephen H. Kirby   +2 more
openaire   +3 more sources

METPET: Metamorphic petrology microcomputer programs

Journal of Metamorphic Geology, 1990
METPET is a package of three interactive microcomputer (IBM PC or compatible) programs. FILEMAN is a utility program to create, edit and print ‘composition files’, i.e. files containing the records of chemical compositions of minerals or rocks, expressed in terms of primary chemical components. PROJECT recalculates selected compositions in terms of new
D. G. A. Ball, P.‐Y. F. Robin
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Petrological consequences of variations in metamorphic reaction affinity

Journal of Metamorphic Geology, 2011
The extent to which kinetic barriers to nucleation and growth delay the onset of prograde metamorphic reaction, commonly known as overstepping, is related to the macroscopic driving force for reaction, termed reaction affinity. Reaction affinity is defined in the context of overstepping as the Gibbs free-energy difference between the thermodynamically ...
David R. M. Pattison, C. De Capitani, Fred Gaidies, Fred Gaidies   +3 more
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Metamorphic events in the eastern Arunta Inlier, Part 1. Metamorphic petrology

Precambrian Research, 1995
Abstract In the Entia Dome of the eastern Arunta Inlier kyanite-facies metamorphism is recorded over a substantial area (at least 160 km 2 ) and thus contrasts with the regionally extensive belts of high-temperature-low-pressure andalusite-sillimanite facies metamorphism documented elsewhere in the Arunta Inlier. This amphibolite facies event appears
Arnold, Jo, Sandiford, Michael Andrew, Wetherly, Simon   +2 more
openaire   +3 more sources