Article: Metamorphic Rock
The Gale Encyclopedia of Science;      700+ words ... ... transformed into metamorphic rock as a result ... magma and pressure from tectonic ... combinations of pressure and temperature. Thermal metamorphic rock, also called contact metamorphic rock, is formed ... considerable pressure but, more ...

Encyclopedia entry: metamorphic rock
World Encyclopedia;      273 words ...metamorphic rock Broad class of rocks that have been changed by heat or pressure from their original nature – sedimentary ... radical change of texture. For example, the metamorphic rock slate is made from sedimentary shale.

Article: Maintaining slate floor coverings: slate is a metamorphic ...
ICS Cleaning Specialist;  May 1, 2004 ;     700+ words ...Slate cleaves along flat planes and is split into parallel sheets. They are easily identifiable by their "cleft" irregular surface; however, they can be honed to a smooth surface resembling a chalkboard. Slate is primarily composed of clay-like materials, which usually make it very soft and

Article: World Largest Hybrid Nuclear Metamorphic Rock Found ...
Xinhua News Agency;  August 6, 2001 ;     354 words ... ... the world's largest hybrid nuclear metamorphic rock in the Daqingshan Mountains in north ... location,experts concluded that the metamorphic rock in the Daqingshan Mountains is not ... in a favorable environment to form metamorphic rock in which the mantle of lithosphere ...

Dictionary definition: pressure fringe
A Dictionary of Earth Sciences;      360 words ...pressure fringe A growth of fibrous ... magnetite ) in a regional metamorphic rock. During metamorphism and ... from the region of high pressure, where the matrix is squeezed ... are redeposited in the pressure shadow zone at the side ...

Dictionary definition: pressure shadow
A Dictionary of Earth Sciences;      349 words ...pressure shadow The area in a regional metamorphic rock which is protected from deformation ... dissolved from the region of high pressure, where the matrix is squeezed against ... around the crystal, so forming the pressure shadow.

Article: Price pressures put manufacturers on hot seat
Indianapolis Business Journal;  July 21, 1997 ;     700+ words ... ... shaped by forces similar to those that create metamorphic rock, namely intense heat and pressure. Continental, which sells fabricated products ... experienced several years of excruciating pressures to maintain or even cut costs, and the crush ...