PAROLE IN INGLESE ASSOCIATE CON «AEGIRITE»
aegirite
aegirine
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clinopyroxene
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inosilicates
sodium
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augite
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10 LIBRI IN INGLESE ASSOCIATI CON «AEGIRITE»
Scopri l'uso di
aegirite nella seguente selezione bibliografica. Libri associati con
aegirite e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
Geological Survey Professional Paper
Bowen finds 89 that quartz, where present, was most susceptible of replacement,
feldspars were the next mineral to be replaced, and aegirite was very resistant to
replacement. In quartz-bearing rocks the quartz had commonly been more ...
Geological Survey (U.S.), 1935
2
United States Geological Survey Professional Paper
Euhedral prisms of aegirite more than 2 centimeters long embedded in calcite
and arranged perpendicular to the walls in 1 vein suggest that open-vein filling
was a dominant process of vein formation. Abnormal radioactivity is found in at
least ...
3
Geological Survey Professional Paper
Euhedral prisms of aegirite more than 2 centimeters long embedded in calcite
and arranged perpendicular to the walls in 1 vein suggest that open-vein filling
was a dominant process of vein formation. Abnormal radioactivity is found in at
least ...
4
Second Report on a Cooperative Investigation of the ...
Phenocrysts of greenish-black aegirite as much as 3 mm. long, most of which are
fresh and show zonal growth, occur In a small stock of Tertiary age on the south
side of Clear Creek, east of the mouth of Soda Creek. Associated phenocrysts ...
5
Geology and Ore Deposits of the Tintic Mining District, Utah
The phenocrysts are plagioclase in well-formed laths and small irregular pitchy
black grains, which the microscope proves to be aegirite-augite. In thin section (
PL XVI, A, p. 78), the plagioclase is zonal and the zones range in composition
from ...
Waldemar Lindgren, Gerald Francis Loughlin, Victor Conrad Heikes, 1919
6
Geology and Water Resources of the Edgeley and La Moure ...
The composition of these two pyroxenes is as follows: Analyses of vanadiferout
aegirite and aegirite-augite from the Rainy Creek district, Montana □ A duplicate
sample gave 3.81 per cent. » A duplicate sample gave 2.82 per cent. For a few ...
7
Fluorspar Prospects of Montana
The pyroxene observed during the present study is augite, possibly somewhat
soda-rich. Kemp and Billingsley 19 noted the presence of aegirite needles in the
groundmass, but aegirite was not found in the rock examined by the writer during
...
Clyde Polhemus Ross, 1950
8
Professional paper - United States Geological Survey
The phenocrysts are plagioclase in well-formed laths and small irregular pitchy
black grains, which the microscope proves to he aegirite-augite. In thin section (
PI. XVI, A, p. 78), the plagioclase is zonal and the zones range in composition
from ...
Geological Survey (U.S.), 1919
9
Geology of Massachusetts and Rhode Island
the earlier porphyritic pyroxenes is taken up by long needles of a paler diopside,
projecting into cavities and having blue-green ends of aegirite. They lie in a
colorless, faintly polarizing groundmass which is apparently nephelite. v JZgirite
...
Benjamin Kendall Emerson, 1917
10
The chief commercial granites of Massachusetts, New ...
Described on page — 13 Kiebeckite-aegirite granite.. 112 Hornblende granite 12
, 198, 139 .do. Muscovite-biotite granite. . Biotite granite. do do 1, 146 00 1, 184
Quartz monzonite ! 160.161903 Biotite granite | 91 COMMERCIAL VALUE OF ...
