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host rock. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Alternative forms
hostrock, host-rock
Noun
host rock (countable and uncountable, plural host rocks)
- (geology) The background mineral material in which the object of study (crystals, fossils, specific minerals, groundwater, etc.) is embedded or through which it travels.
1983, Warren C. Day, Richard M. Tosdal, E.L. Acosta, J.C. Aruspon, L. Carvajal, E. Cedeño, Glenda Lowry, L.F. Martinez, J.A. Noriega, Fernanco J. Niñez, J. Rojas, F. Prieto, “Geology of the Lo Indreíble Mining District and U-Pb Age of the Early Proterozoic Yuruari Formation of the Pastora Supergroup, Guayana Shield, Venezuela”, in U.S. Geological Survey Bulletin, numbers 2122-2127, page E-12:Formation of alteration minerals in the host rock during deformation within the shear zone is indicated by the parallel foliation within the secondary micaceous minerals and the unmineralized host schist.
1986, Environmental Assessment, Deaf Smith County Site, Texas, page 6-110:A related consideration is the porosity increase due to creep of the host rock into the backfilled workings.
2009, Lance Allred, Enchanted Rock: A Natural and Human History, page 56:Host rock near the batholith is locally metamorphosed.
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