a dark-colored volcanic rock composed essentially of plagioclase feldspar and one or more mafic minerals, as hornblende or biotite.
M. Dubois discovered these remains in the island of Java in andesite tufa of Pliocene or at least early Pleistocene age.
The Cambridge Natural History, Vol X., Mammalia Frank Evers Beddard
Surface eruption of quartz-porphyry, rhyolite, and andesite.
History and Comprehensive Description of Loudoun County, Virginia James W. Head
They are found mostly as loose crystals in gravel, but are known also in igenous rocks like andesite and lamprophyre.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 4 Various
A later series of small diorite or andesite dikes cut the ore bodies.
The Economic Aspect of Geology C. K. Leith
The lavas and ashes ejected by these volcanoes consist of liparite, dacite, andesite and basalt.
Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 2 Various
The Ochils and other hills of middle Scotland largely consist of andesite.
The New Gresham Encyclopedia. Vol. 1 Part 2 Various
An examination of the stones which fell at Fort de France showed them to be of a variety of lava called hornblende and andesite.
Complete Story of the San Francisco Horror Richard Linthicum
The rocks thus extruded are mainly composed of dark, heavy basic material, such as basalt and andesite.
North America Israel C. Russell
In the main the lava is an andesite, and is very generally of a porphyritic structure.
Mount Rainier Various
The rock in which the Hungarian Opals occur is eruptive, and of the kind known as andesite.
Birds and Nature Vol. 11 No. 3 [March 1902] Various
a fine-grained tan or grey volcanic rock consisting of plagioclase feldspar, esp andesine, amphibole, and pyroxene
A gray, fine-grained volcanic rock. Andesite consists mainly of sodium-rich plagioclase and one or more mafic minerals such as biotite, hornblende, or pyroxene. It often contains small, visible crystals (phenocrysts) of plagioclase. It is the fine-grained equivalent of diorite.
a dark-colored volcanic rock composed essentially of plagioclase feldspar and one or more mafic minerals, as hornblende or biotite. Historical Examples It is composed of andesitic lavas of the augite type, is pierced by many fumaroles, and has a crater in the solfatara stage. The Solomon Islands and Their Natives H. B. (Henry Brougham) Guppy […]
andf Architecture Neutral Distribution Format
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a state in SE India, formed from portions of Madras and Hyderabad states 1956. 105,963 sq. mi. (274,444 sq. km). Capital: Hyderabad. Contemporary Examples Andhra Pradesh has 42 parliamentary constituencies; 33 of these elected Congress candidates in the previous election. India’s Newest State Telangana Is Bosnia Redux Kranti Rai March 21, 2014 Andhra Pradesh, stretching […]
let’s go; hurry up. Historical Examples As the girls came out he said, “andiamo presto, Signorine,” and started off at a brisk pace with the lantern. Flora Adair, Vol. 1 (of 2) A. M. Donelan Rinaldo flourishes his sword with the wonderful cry “andiamo!” Sea and Sardinia D. H. Lawrence Padre mio, io son qui […]