• Chambers's Twentieth Century Dictionary
    • ns Mica-slate a metamorphic rock consisting of alternate layers of mica and quartz
    • ***


Chambers's Twentieth Century Dictionary
L. mica, a crumb.


In literature:

Near to this stream there is a small mountain of mica slate, including garnets.
"The Adventures of Captain Bonneville Digested From His Journal" by Washington Irving
The granite was capped with mica-slate, and this in the lapse of ages had been worn into strange finger-shaped points.
"A Naturalist's Voyage Round the World" by Charles Darwin
On the way I ascended a small hill composed of mica slate, and on its summit found two or three specimens of tourmaline.
"Expedition into Central Australia" by Charles Sturt
The layers of clay were white, grey, or slate-coloured; with many shining leaflets of mica.
"Journal of an Overland Expedition in Australia" by Ludwig Leichhardt
The subjacent rocks, also, of gneiss, mica slate, and quartz, are everywhere grooved and polished as if by the passage of a glacier.
"The Geological Evidence of The Antiquity of Man" by Charles Lyell
Fragments of porphyry, quartz, and black slate are abundant in the drift, and mica, iserine, and minute garnets exist.
"Journals of Australian Explorations" by A C and F T Gregory
It is the metallic base of mica, feldspar, slate, and clay.
"Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886" by Various
In the Wald district magnificent crystals have been found embedded in mica-slate.
"Lippincott's Magazine of Popular Literature and Science" by Various
The rocks here are mica slate, reposing at a considerable angle, occasionally nearly vertical.
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
In some places it is mixed with quartz, forming mica slate.
"The Commercial Products of the Vegetable Kingdom" by P. L. Simmonds