Results 161 to 170 of about 3,855 (216)

Hydrogeochemical factors influencing the dynamics of groundwater characteristics in eco-sensitive areas of the Southern Western Ghats, India. [PDF]

Sci Rep
Bakshe P, Chandran M, Viju BJ, Narikkatan AK, Jugade RM.   +4 more
europepmc   +1 more source

Archaean continental crust formed from mafic cumulates. [PDF]

Nat Commun
Smit MA, Musiyachenko KA, Goumans J.
europepmc   +1 more source

Abiotic synthesis of graphitic carbons in the Eoarchean Saglek-Hebron metasedimentary rocks. [PDF]

Nat Commun
Guo Z, Papineau D, O'Neil J, Rizo H, Chen ZQ, Qiu X, She Z.   +6 more
europepmc   +1 more source

Fluids in granulites

, 2011
Since the discovery of CO2 fluid inclusions in granulites, the role of fluids in the formation of these rocks has been widely studied. Owing to the complexity of the tectono-metamorphic history of granulite terrains, fluid inclusion data alone are not sufficient.
Touret, Jacques L.R., Huizenga, Jan-Marten   +1 more
openaire   +3 more sources

High-Pressure Mafic Granulites in the Trans-North China Orogen: Tectonic Significance and Age

Gondwana Research, 2006
High-pressure mafic granulites (including retrograded eclogites) have been reported from the Trans-North China Orogen, a Paleoproterozoic orogenic belt along which two discrete continental blocks, referred to as the Eastern and Western Blocks, were ...
Sanzhong Li, Shuwen Liu, Simon A. Wilde
exaly   +2 more sources

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The Granulite Uncertainty Principle: Limitations on Thermobarometry in Granulites

The Journal of Geology, 1989
There are three geothermometers based on reversed experimental data and applicable to granulites: the two-pyroxene, two-oxide, and garnet-clinopyroxene thermometers. All have apparent closure temperatures below those of the granulite facies. This casts significant doubt on the concept that "peak" temperatures are routinely obtained from ion-exchange ...
B. Ronald Frost, Thomas Chacko
openaire   +1 more source

Evolution of the granulites and sub-division of the granulite facies in Ceylon

Geological Magazine, 1972
SummaryThree subfacies of the granulite facies are recognized: garnet–diopside–quartz subfacies; pyroxene–granulite subfacies; and hornblende–granulite subfacies The erection of a garnet–diopside–quartz subfacies follows De Waard's suggestion (1965) of a garnet–clinopyroxene subfacies.
openaire   +1 more source

Garnet granulites from the Lapland Granulite Belt, arctic Finland

2023
The Lapland Granulite Belt is an arcuate Paleoproterozoic (c. 1910–1880 Ma) granulite-facies metamorphic complex spanning arctic Finland, Norway, and the Kola Peninsula of Russia.  It has been interpreted as a core zone to the larger Lapland–Kola orogen that formed between the colliding Kola and Karelian Archean continents ...
Jonathan Pownall, Kathryn Cutts
openaire   +1 more source

Geochronology in Granulites

1990
Techniques are now available to obtain high precision age information on a variety of metamorphic minerals such as zircon, garnet, monazite, sphene, rutile, hornblende, micas, apatite and feldspars. These ages provide valuable information on the timing of geologic events and duration of processes.
openaire   +1 more source

Geobarometry in Granulites

1983
It is apparent from the initial attempts at quantitative tectonic modeling of regional metamorphism (England and Richardson, 1977; Wells, 1980) that a detailed knowledge of metamorphic pressure is essential to the accurate formulation of any tectonic model attempting to incorporate metamorphic pressure—temperature—time relationships.
Steven R. Bohlen, Victor J. Wall, A. L. Boettcher   +2 more
openaire   +1 more source