CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «RHOMBENPORPHYRY»
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1
Daedalus: Journal of the American Academy of Arts and Sciences
One is a rhombenporphyry type resembling mega- scopically very closely the
moderately porphyritic type of the rhombenporphyry, and came from a recently
quarried block of granite from the northern part of the Pine Hill Tract not far south
of ...
2
Igneous rocks: composition, texture and classification, ...
With nephelite phenocrysts. Pseudoleucite-porphyry. — With phenocrysts of
pseudoleucite. Rhombenporphyry (in part). — Some phanerocrystalline
rhombenporphyry contains notable amounts of nephelite. 1 Rose, (?) 1839. 1
Blum, 1861.
Joseph Paxson Iddings, 1920
3
Bulletin - United States Geological Survey
Quartz gabbro, 1243. Quartz latite porphyry, 266. Quartz monzonite, 266, 627,
628. Quartz monzonite gneiss, 266. Quartz monzonite porphyry, 266. Quartzite,
278. Raglanite, 8. Rhodusite, 81. Rhombenporphyry, 1234. Rhyolite, 626, 658,
987.
Geological Survey (U.S.), 1914
4
Geology of Massachusetts and Rhode Island
It is, therefore, in view of the characteristic shape of the feldspar phenocrysts,
classed as a rhombenporphyry. Chemical character. — The chemical
composition of the chief varieties of the Blue Hill granite porphyry, as well as of
the aporhyolite, ...
Benjamin Kendall Emerson, 1917
5
Igneous Rocks: Composition, Texture and Classification, ...
The laurvikite, or augite-syem'te, occupies a large area and has marginal facies
that are porphyritic and grade into rhombenporphyry. It is cut by dikes of
rhombenporphyry and minette. The laurdalite has facies of nephelite-
rhombenporphyry ...
It is, therefore, in view of the characteristic shape of the feldspar phenocrysts,
classed as a rhombenporphyry. Chemical character. — The chemical
composition of the chief varieties of the Blue Hill granite porphyry, as well as of
the aporhyolite, ...
7
United States Geological Survey Professional Paper
Trachyte Domite Quartz-syenite Andesite do do Trachyte Augite-porphyrite
Rhombenporphyry. . . Nordmarkite Augite-andesite Pulaskite Tonsbergite Ande-
site. Laurvikite Rhombenporphyry. . . do Pulaskite Game Ridge, Custer County
Puy de ...
Rhombenporphyry . — The rhombenporphyry is a nearly black rock that contains
scattered bluish-gray to white feldspar crystals from l/8 to l/4 inches in diameter in
a finer-grained groundmass. The name, following German usage, is based on ...
9
Professional Paper - United States Geological Survey
Nordmarkite Augite-andesite Pulaskite T'insbergite Andesite Laurvikite Laurvik,
Norway Rhombenporphyry. . . Tonsbcrg, Norway do I Notterii, Norway Pulaskite I
Mount Johnson, Quebec . Bull. 168, 147— W. T. R.T.,1869,CXVIII. I.R.A.,96.
Geological Survey (U.S.), 1903
10
Chemical Composition of Igneous Rocks Expressed by Means of ...
Andesite do ' Pantellaria, Italy do do Trachyte I Ischia, Italy Augite-porphyrite
Henry Mountains, Utah Rhombenporphyry . Nordmarkite Augite-andesite Nottero
, Norway . Anerod, Norway. . Pantellaria Puhiskite Shefford Mountain, Quebec.
Joseph Paxson Iddings, 1903
