Meaning of Overprint | Babel Free

Definitions

1. The addition of new text on a previously printed stamp, usually to add a surcharge or change the face value.
2. The set of petrological, structural, and/or mineralogical characteristics superimposed onto rock by the action of geological processes over deep time, by analogy with the original sense of the word.

Equivalents

Examples

“Although we do not exclude that some of the observed Moodies laminae were originally microbial mats, the mineral assemblage of the studied anastomosing and wavy laminae (i.e., mainly sericite associated with Ti oxide and rare carbonaceous material) shows a substantial metamorphic overprint, implying that similar laminae cannot be unambiguously associated with the concept of a flourishing Paleoarchean microbial life at 3.22 Ga.”

“This is the first report from the Alps of eclogite-facies rocks of supposed Alpine age showing a granulite-facies metamorphic overprint, which is, in contrast, well documented in the Variscan belt.”

“The metasomatic overprint is represented mainly by enrichments in Na, K, Ba, Ti and LREE and the original source of this fluid remains unknown.”

CEFR level