latite


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latite

[′lā‚tīt]
(petrology)
A not visibly crystalline rock of volcanic origin composed chiefly of sodic plagioclase and alkali feldspar with subordinate quantities of dark-colored minerals in a finely crystalline to glassy groundmass.
References in periodicals archive ?
Ekosolos' basalt dust is a mixture of two finely ground basalt rocks: Microgabbro (Figure 1A) and Basaltic quartz latite (Figure 1B and C) (Table 2).
A porphyritic quartz latite dyke near the xenolithic quartz monzonite dyke cuts not only the host porphyritic granite but also terminates a 1.
Latite Roofing and Sheet Metal leased 10,200 square feet at 5411 Boran Drive, Tampa, FL.
According to the conducted studies, the following volcanic rocks have been observed in this belt: basalt, basaltic andesite, andesite, trachyte, latite, trachyandesite, dacite and rhyodacite ignimbrite and acidic to intermediate tuffs.
The nomenclature of geological units of the massif has been updated following the rules of lithodemic units [5], as follows [6]: 1) Metasedimentary rocks: Barbasco Metasedimentary Suite (Canaote Quartzite, Cerrajon Metapelite), Mireles Phyllite (with Cambrian-Ordovician trilobites); 2) Volcanic rocks: Guacamayas Super-Suite: Teresen Rhyolitic Suite (Corcovado Rhyolite, Tirado Rhyolite, La Bandola Rhyolite), El Penon Latitic Suite (El Oso Quartz Latite, Segoviera Rhyolite); and 3) El Baul Granitic Suite (Pinero Granite, Mata Oscura Granite and Mogote Granite).
Minor igneous activity is recorded by the Onslow Syenite and Buckingham Latite (575 Ma) and the Buckingham peridotite (275 Ma).
To evaluate the effects of particle size distribution on deformation and degradation behavior of ballast, large-scale cyclic triaxial tests were conducted on four different distributions of latite basalt at University of Wollongong.
A classic copper porphyry, the mineralisation is held in stockworks associated with a quartz latite stock intruded into andesites.
Phenocryst-poor latite and trachyte are interpreted as the result of mineral separation, and phenocryst-rich tephrite porphyry and olivine diabase porphyry are the result of phenocryst accumulations in the magma chamber.
Porphyry style molybdenum mineralization occurs within a circular latite porphyry stock of Laramide age and to a lesser extent with slabs of intruded sediments.
The diatreme consists of a large mass of breccia intruded by bodies of phonolite, plagioclase phonolite (historically called latite phonolite), tephriphonolite (historically called syenite), and lamprophyre (historically called alkali basalt) (Kelley, 1996; Pontius, 1996).