metamorphic rock

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  • noun

Words related to metamorphic rock

rock altered by pressure and heat

References in periodicals archive ?
METAMORPHIC: Formed when heat and pressure change sedimentary, igneous, or other metamorphic rocks.
This indicates that the granitic provenance is dominant over the metamorphic rocks, (Bokman, 1952).
In an exhaustive study of the electrochemical properties of the soils of coastal north Queensland, Australia (Gillman and Sumpter 1986a), charge fingerprints were determined for soils formed on basaltic, granitic, and metamorphic rocks, on colluvial debris from such parent materials, as well as from soils formed on alluvial deposits.
Appalachian Mountains contain metamorphic rock, central North America consists mostly of sedimentary rock deposits, and the western Rocky Mountain range contains Igneous rock.
In addition, the fabric and metamorphic petrography of volcanic clasts in the Petit Anse-Gros Nez section broadly match that of low-grade metamorphic rocks of the Fourchu Group as described by McMullin et al.
Because jade and other associated metamorphic rocks are found on both sides of the fault, and because the jade to the north is younger by about 60 million years, a team of geologists posits that the North American and Caribbean plates have done more than simply slide past each other: they have collided, and that too twice.
In Berlin, the practice chose to emphasize the rocky verticality of their country: the only one in Scandinavia to have significant mountains - awesome places of the north in which vast cliffs of igneous and metamorphic rock crash down into the prodigiously deep, icy green waters of the fjords.
Zeolites occur naturally as minerals in metamorphic rock.
Geologically speaking, it is metamorphic rock resulting from quartz sandstone that's been heated under pressure and then cooled, making it very hard.
The Taj Mahal's gleaming, white surface is made from marble, a metamorphic rock formed when heat and pressure underground cause minerals to crystallize.
The distinction of the sedimentary or volcanic origin of metamorphic suites, especially in cases of Carich composition reminding of mafic volcanics, has been made using the bulk chemical composition and spatial relationships of metamorphic rock suites in core sequences (Puura et al.
Clad in a sensuous, emerald skin of prepatinated copper strips, the upper floors sit on a rusticated plinth formed from black basalt and gabbro, an indigenous green crystalline metamorphic rock.
Technically, slate is a dense, fine-grain, clayey metamorphic rock that splits readily into thin but durable slabs.
And unlike other gemstones found in metamorphic rock, this one isn't formed under heat and pressure.
According to the report by Silver Spartan LLC, the proximity to the Coyote fault and the contact between the metamorphic rock and the large granite exposure justifies further exploration for gold and silver mineralization both above and below the surface.