Archean Granulites in Mangaratiba (RJ): Tectonic Meaning

Comparison of the Tectonic Conditions on Venus with Tectonic Conditions of Early Archean Earth

High-Pressure Granulites (Retrograded Eclogites) from the Hengshan Complex, North China Craton: Petrology and Tectonic Implications

Both highand medium-pressure granulites have been found as because of the absence of modal minerals. The combination of petrographic textures, mineral compositions, metamorphic reaction enclaves and boudins in tonalitic–trondhjemitic–granodioritic gneisses in the Hengshan Complex. Petrological evidence from these history, petrogenetic grids and thermobarometric data defines a nearrocks indicate...

Depositional and tectonic setting of the Archean Moodies Group, Barberton Greenstone Belt, South Africa.

The 3.22-3.10 Ga old Moodies Group, uppermost unit of the Swaziland Supergroup in the Barberton Greenstone Belt (BGB), is the oldest exposed, well-preserved quartz-rich sedimentary sequence on earth. It is preserved in structurally separate blocks in a heavily deformed fold-and-thrust belt. North of the Inyoka Fault, Moodies strata reach up to 3700 m in thickness. Detailed mapping, correlation ...

Phantom Archean crust in Mangaia hotspot lavas and the meaning of heterogeneous mantle

a Department of Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854-8066, USA b Boston University, Department of Earth and Environment, Boston, MA 02215, USA c UC Santa Barbara, Department of Earth Science, Santa Barbara, CA 93106, USA d Geosciences Research Division, Scripps Institution of Oceanography, La Jolla, CA 92093-0244, USA e Department of Terrestria...

the study of protolith geochemistry and tectonic setting interpretation of granulites from nw sabzevar

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