metamorphic


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Related to metamorphic: metamorphic facies
See: protean
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Researchers compiled data on the temperatures and depths at which the metamorphic rocks formed and then evaluated how these conditions have changed through geological time.
This type of zoning is produced syntectonically during the latter stages of growth in generally low grade metamorphic conditions where pressure solution is an important deformation mechanism and growth in a direction perpendicular to foliation is restricted.
Kaolinite probably was supplied to the detritus of the studied sediments from the Nagarparkar Igneous and Metamorphic Complex.
Major element analyses and trace element analyses of four metamorphic sediment samples and one metamorphic rock sample were performed using the Inductively Coupled Plasma - Atomic Emission Spectroscopy (ICP-AES) method at Acme Laboratory Ltd.
Sites were chosen to encompass the major soil lithological groups mentioned above, primarily metamorphic rock (19% of sites), granite (18%), shale (24%) and basalt (22%), with the rest mostly sandstone-quartz (9%) and rhyolite, alluvial and dolcritc (9%).
In regional metamorphic rocks, the partitioning of deformation into progressive shearing and shortening components results in the fact that garnet porphyroblasts cannot nucleate and grow in zones of active progressive shearing, as they would be dissolved by the effects of shearing strain on their boundaries (e.g., Bell et al, 1986).
Here, the Silgara Formation is composed mainly of pelitic rocks with thin interlayers of psammitic, semipelitic, meta-basic and metacarbonate rocks, which were affected by a regional metamorphism during the Caledonian orogeny, recognizing a different type of metamorphism as revealed by a progressive mineral sequence that defined a pattern of metamorphic zonation (biotite [right arrow] andalusite [right arrow] cordierite [right arrow] silimanite) after a metamorphism of Buchan type under low-P and high-T conditions.
The Bras d'Or terrane is characterized by three main rock associations: metamorphic and igneous rocks, comprising gneiss formed at high metamorphic grade but relatively low pressure of metamorphism from pelitic to psammitic protoliths, and incorporating thin layers of marble and amphibolite; lower metamorphic grade dominantly clastic metasedimentary rocks, but also including minor calcareous and mafic components; and a suite of late Neoproterozoic calc-alkaline plutons and associated volcanic rocks (Raeside and Barr 1992).
Metamorphic Ventures is a New York City-based venture capital firm that invests in start-up and early stage technology companies.
We conducted controlled experiments to test the effects of diet composition on survivorship and time to metamorphic competence for the larvae of C.
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