| 单词 | sparagmite | 
| 释义 | sparagmiten. Geology.   A generic term for the feldspathic sandstones (chiefly arkoses), conglomerates, and other fragmental rocks which occur in late Pre-Cambrian formations in Scandinavia. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > 			[noun]		 > pre-Cambrian formations Huronian1857 Labradorian1870 Keweenawan1876 sparagmite1882 Keewatin1886 Torridonian1893 Laxfordian1950 1866    Geol. Mag. III. 384 		(table)	  				‘Spragmitic’ strata— conglomerates, Schists, Dolomitic beds.]			 1882    A. Geikie Text-bk. Geol. 657  				In central and northern Norway the Archæan gneiss is overlaid by reddish and grey sandstones and conglomerates (Sparagmite), with schists, quartzites, and limestones. 1930    B. N. Peach  & J. Horne Chapters Geol. Scotl. iii. 72  				The Sparagmite of Scandinavia is an arkose resembling the dominant type of the Torridon Sandstone. 1979    Nature 25 Jan. 290/1  				Micaceous meta~arkoses (sparagmites) have, in places, a basal conglomerate resting unconformably on the Basal gneisses. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). <  | 
	
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