felsic


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felsic

[′fel·sik]
(mineralogy)
A light-colored mineral.
(petrology)
Of an igneous rock, having a mode containing light-colored minerals.
References in periodicals archive ?
The felsic dykes, are present in the entire Nagar Parkar igneous complex.
Martins Shaft-style mineralisation has been intersected in the felsic dykes.
Lithological sequences of ultramafic to matic, mafic to felsic, and intermediate to felsic compositions have been documented in the well-studied belts (cf.
It comprises mostly red to pink rhyolite porphyry, felsic crystal-rich ash tuff, felsic lithic-crystal tuff and minor microgranite (Johnson 2001a, b).
The basement of southern Jordan is comprised principally of felsic plutonic igneous rocks, with subordinate felsic and basic volcanics, and constitute the northernmost exposed portion of the Arabian-Nubian Shield (ANS).
In this paper, we test the hypothesis that mafic, felsic, and ultramafic blocks in the Hurricane Mountain melange originated from the adjacent Boil Mountain ophiolite complex, and we propose a mechanism for block emplacement in the melange.