psammite


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psammite

[′sa‚mīt]
(petrology)
References in periodicals archive ?
"You have to keep your horse fit enough to run in case a chance came up, so Howecot Psammite is raring to go," she added.
Julie and Howecot Psammite finished 25th at the Burghley three-day event last autumn and had been planning to have a crack at Britain's other four star event, the Mitsubishi Motors Badminton event, next month.
"Howecot Psammite is 11 now and I've ridden him from a four-year-old," said Julie.
Despite the shallow crustal level at which deformation occurred, early ductile shearing in the Waite zone generated phyllonite from Fredericton belt pelite and psammite (Ludman 1998) and converted the massive Deblois and Bottle Lake granites to strongly foliated granite, s-c mylonite, and interlayered mylonite and ultramylonite (Wang and Ludman 1999; Wang et al.
The Maru schist belt consists predominantly of pelitic to semipelitic metasedimentary with subordinate interlayered psammites, banded iron formation (BIF) and amphibolites.
At Osprey West, thin quartz +calcite +chalcopyrite veins occur in hole OS13D02 within a succession of metasediments (gneisses, psammites, psammopelites).
These rocks form the basement on which the Moine Supergroup and Torridonian sediments were deposited The Moine Supergroup consists of a thick and extensive sequence of Neoproterozoic siliciclastic metasedimentary rocks, dominated by psammites with subordinate pelites (Mendum et al., 2008).
Vicat (1837) presented in the section on Artificial Pouzzolanas: "Under this denomination we shall include the clays, arenes, psammites, and shists [German term for slate], properly calcined; smithy slag, the refuse of the combustion of turf and coal, and pounded earthenware; and, lastly, tile and pot shards." on p.
The field evidences indicate a sheared contact of Mandi Granite with the Jutogh metamorphic marked by very sharp boundary, where psammites are intensely sheared.
Reactionary grain boundaries indicate a partial metamorphism to psammites. Some quartz grains are elongate from stretching during metamorphism.
While the Holly Fault is a narrow, innocuous quartz-filled shear, the Bortala Formation consists of quartz-chlorite schists, talc schists, psammites and marbles.
The San Ignacio supergroup consists of quartzites, psammites, mica schists, and phyllites together with graphite, calc- and iron-rich bands, and minor metavolcanics.