KSIĄŻKI POWIĄZANE ZE SŁOWEM «MICROGRANITIC»
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1
Metallogeny and Petrogenesis of Lamprophyres in the ...
... -85 m below sea level, lowporphyric granite [slightly greisenized]); 3U6/A1 (adit
"Trinkwasserstolln Marienberg", Marienberg/Gebirge, fluoriterich rhyolite dike [
slightly greisenized]); 31007 (Marienberg-south, Li-rich microgranitic dike [slightly
...
2
Journal and Proceedings of the Royal Society of New South Wales
The mica is much bent. . BLVANITE GROUP. (Quartz-felsite.) Microgranitic
compounds of quartz and orthoclase, usually with porphyritic crystals of quartz
and often of orthoclase, mica, or hornblende in addition. Quail Island, Lyttelton
Harbour ...
3
New Zealand Journal of Geology and Geophysics
Only the microgranitic facies of the Northern Foothills has been seen in contact
with the Corner Tonalite. In the moraine of Vegetation Island the Corner Tonalite
is intruded by a variety of rock types, most of which are restricted to that area, but
...
The rock weathers into rounded blocks. Inclusions of Cambrian rocks are
common, as are basic segregations. Microscopic examination shows a
microgranitic groundmass, composed of plagioclase laths, orthoclase tablets,
and quartz ...
5
Geology of Massachusetts and Rhode Island
A granite porphyry with abundant quartz phenocrysts, formed by the strong
development of the microgranitic groundmass, occurs also in stocks and great
dikes, as well as an aplitic rock, formed by the development of the groundmass
alone, ...
Benjamin Kendall Emerson,
1917
6
The Green Schists and Associated Granites and Porphyries of ...
... of Diamond Hill, is a coarse, light por- phyritic granite with a few squarish
feldspar phenocrysts two-thirds of an inch long — almost a granite porphyry, with
here and there limpid quartz phenocrysts inclosing lobes of a microgranitic base.
Benjamin Kendall Emerson, Joseph Hartshorn Perry,
1907
7
United States Congressional Serial Set
Around the quartz and smallest feldspars are frames of feather or fernlike
aggregates of intercrystallized feldspar and quartz, producing the effect of a
flowered pattern on the microgranitic groundmass of quartz, feldspar and
colorless mica.
8
Romanian Journal of Petrology
taken over from tl1e basement of the metamorphic rocks of the Biharia and
Somes Series. On the other hand, fine mica flakes a.11d several fine quartz
grains, probably come from Senonian sedimentary formations. Microgranitic
rhyolites ...
9
Glaciogenic Reservoirs and Hydrocarbon Systems
Based on their mineralogy and well-developed granophyric texture, the
microgranitic samples AKSl, AKS2 and AKN2 can be correlated with
microgranitic dykes that cross-cut the basement at Jabal Ja'alan, as described by
Roger et al. (1991).
M. Huuse, J. Redfern, D. P. Le Heron,
2012
10
Geological Survey Professional Paper
Commonly the texture is hyalopilitic, but in some specimens it is microgranitic,
with individualized or- thoclase and quartz developed in the groundmass. A
partial analysis of a typical specimen of this rock reveals the fact that, although
there is ...
Geological Survey (U.S.),
1932