The duelling dykes of Jutulhogget, Gjelsvikfjella, Dronning Maud Land, 🇦🇶 72°01′S; 002°50′E All dykes are late- to post-Pan African in age (ca. 500 Ma). The age of host migmatite gneiss protolith is ca. 1130 Ma - reworked during two metamorphic episodes at ca. 1070 Ma & 530 Ma. https://t.co/mBhkQfLkjp
— Chris Jackson (@orogenGT) Jun 22, 2021
via Twitter https://twitter.com/orogenGT
June 23, 2021 at 01:01AM
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