metamorphic overprint

[¦med·ə¦mȯr·fik ′ō·vər‚print]

(geochemistry)

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overprint

References in periodicals archive ?

The presence of sillimanite is important as it reflects a high grade metamorphic overprint has occurred.

Archer Exploration Limited (ASX:AXE) Drilling Completed on Eyre Peninsula Graphite Deposits

Romer & Wright (1992) investigated one columbite sample in the contact aureole of a Paleoproterozoic granite that was subjected to a Caledonian upper greenschist to lower amphibolite facies regional metamorphic overprint and this columbite displayed only partial resetting during Caledonian metamorphism.

U-Pb tantalite, Re-Os molybdenite, and [sup.40]Ar/[sup.39]Ar muscovite dating of the Brazil Lake pegmatite, Nova Scotia: a possible shear-zone related origin for an LCT-type pegmatite

The two groups show mutual transitions with different intensities of HP-LP metamorphic overprint (Fiala et al.

Geochemical constraints of origin and evolution of migmatites in the central part of the Moldanubian Zone (Temelin area), Bohemian Massif

Overburden Drilling Management Limited (ODM) of Ottawa, Ontario during the 1996 field season discovered that the area is actually underlain by prospective Superior Province volcanic and sedimentary rocks with a metamorphic overprint and, the magnetic anomaly is due to a profusion of Iron Formation and komatiite horizons.