massif

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massif

1. a geologically distinct mass of rock or a series of connected masses forming the peaks of a mountain range
2. a topographically high part of the earth's crust that is bounded by faults and may be shifted by tectonic movements

massif

[ma′sēf]
(geology)
A massive block of rock within an erogenic belt, generally more rigid than the surrounding rocks, and commonly composed of crystalline basement or younger plutons.