EC: ROCK
Status:
STD 2005/06/07
Code:
1012
Concept definition:
A hard mineral <
MATERIAL
> that occurs in bulk as part of a <
PLANET
> and is either exposed at the <
PLANETARY_SURFACE
> or located underneath; rock [
SOED
, "rock", n.1.3].
Reference type:
IR
Reference:
[
FACC
, Annex A: BD130]
Supplemental references:
Group membership:
MATERIAL
PHYSIOGRAPHY
SURFACE_MATERIAL
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