| slovo | definícia |
pegmatite
(encz) | pegmatite, n: |
Pegmatite
(gcide) | Pegmatite \Peg"ma*tite\, n. [From Gr. ? something fastened
together, in allusion to the quartz and feldspar in graphic
granite: cf. F. pegmatite. See Pegm.] (Min.)
(a) Graphic granite. See under Granite.
(b) More generally, a coarse granite occurring as vein
material in other rocks.
[1913 Webster] |
pegmatite
(wn) | pegmatite
n 1: a form of igneous rock consisting of extremely coarse
granite resulting from the crystallization of magma rich in
rare elements |
| | podobné slovo | definícia |
Micropegmatite
(gcide) | Micropegmatite \Mi`cro*peg"ma*tite\, n. [Micro- + pegmatite.]
(Min.)
A rock showing under the microscope the structure of a
graphic granite (pegmatite). -- Mi`cro*peg`ma*tit"ic, a.
[1913 Webster] |
Pegmatite
(gcide) | Pegmatite \Peg"ma*tite\, n. [From Gr. ? something fastened
together, in allusion to the quartz and feldspar in graphic
granite: cf. F. pegmatite. See Pegm.] (Min.)
(a) Graphic granite. See under Granite.
(b) More generally, a coarse granite occurring as vein
material in other rocks.
[1913 Webster] |
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