10 LIVROS EM INGLÊS RELACIONADOS COM «SCHORLACEOUS»
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1
Memoirs of the Geological Survey of Great Britain, and of ...
The skirts, generally, of this mass of Granite from Fenvivian Hill, round by the
Indian Queen Inn (Map 30), are schorlaceous. It is remarkable, also, that the
granitic veins and dykes (Elvan-courses) of the neighbouring country, and which
may ...
Geological Survey of Great Britain,
1865
2
A descriptive catalogue of the Rock Specimens in the museum ...
SCHORLACEOUS GRANITE. SCHOKL-EOCK. The rock from which Nos. 63 and
64 arc. 264 48. FlNE-GRAINED Granite. Belovely Beacon, Cornwall. Map 30.
Composed of white felspar, quartz, schorl, and silvery mica. The Granite from
which ...
3
The Geological Observer
The granites of Southeastern Ireland are also occasionally. the Dartmoor granite,
or above Bowdley, near Ashburton. Schorlaceous granite and schorl rock can be
-well seen in the same granitic district at Holne Lee, and on the south of the ...
Henry Thomas De La Beche,
1851
4
Report on the Geology of Cornwall, Devon and West Somerset
towards the outskirts of the mass than in the interior, and schorlaceous veins and
veins of finer granite appear more frequent under such circumstances. . The
granite of the Brown Willy district is very similar to that of Dartmoor, its principal
mass ...
Henry Thomas De La Beche,
1839
It is well known that the Dartmoor region contains three well-marked varieties of
granitic rocks ; namely : — schorlaceous, porphyritic, and elvan. Now, according
to Mr. Godwin- Austen, these are not only of three distinct ages, but the first had ...
Devonshire Association for the Advancement of Science, Literature and Art,
1863
6
Report and Transactions
Upwards of a quarter of a century ago, Mr. Godwin-Austen conclusively showed
that our Porphyritic granite is more modern than that which is Schorlaceous, and
more ancient than the variety known as Elvan : it cuts through the first in dyke-like
...
7
Miscellaneous Papers Relating to Indo-China and the Indian ...
He says that towards the horders of the granitic tracts — that is, where the granite
comes in contact with the circumjacent rocks — it alters its character, passing
from a compound of quart2, felspar, and mica, to a schorlaceous rock. The mica ...
8
A Sketch of the Geology of Cornwall
This rock is so intimately associated with the granitic rocks of Cornwall, that
although many dyke like masses of schorl rock are found along the junction and
running into the slate, and numerous schorlaceous bands and veins traverse the
...
9
Selected Studies in History of Science
In 1780 he wisely did not repeat his verdict on pyrites. In 1780, however, he adds
another possibility of truncation, which was only superficially mentioned in 1773 (
18). In Fig. 3 of Plate II, G may be the top of a "schorlaceous" crystal (of the type ...
10
Report and Transactions of the Devonshire Association for ...
It is well known that the Dartmoorregion contains three well-marked varieties of
granitic rocks; namely :—schorlaceous, porphyritic, and doom. Now, according to
Mr. GodwinAusten, these are not only of three distinct ages, but the first had ...
Devonshire Association for the Advancement of Science, Literature and Art,
1863