anamesiten.
Min.
A fine-grained variety of basalt.
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the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > trap > basalt > other basaltic
bluestone1849
palagonite1851
tholeiite1866
tachylite1868
anamesite1876
dhu stone1879
hyalomelan1879
tephrite1879
shoshonite1895
pseudotachylite1917
ankaramite1926
oceanite1926
1876 P. H. Lawrence tr. B. von Cotta Rocks Classified ii. i. 135 Basaltic Rocks..a fine-grained dark grey to black mass, in which we are unable to distinguish between labradorite and augite. This fine-grained variety has been specially named by von Leonhard as Anamesite.
1876 P. H. Lawrence tr. B. von Cotta Rocks Classified ii. i. 136 The different stages of compactness of texture may be typified by the three names Dobrite, Anamesite, Basalt.
1879 F. Rutley Study of Rocks xiii. 253 Those [basalts] in which the constituents are too small to be recognised without a magnifying power, but in which a crystalline texture is yet clearly discernible, are styled anamesites.
1937 A. Johannsen Descr. Petrogr. Igneous Rocks III. 291 The name anamesite was given by von Leonhard to those rocks of the basalt family which, in texture, stand between the dense basalts and the coarse dolerites... It is seldom used at the present time.
This entry has not yet been fully updated (first published 1933; most recently modified version published online November 2010).
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n.1876