Metamorphic Geology of Leornian

Units: A12 and IG1

image MS-12

full-size image

A uniform sheet of leucocratic granite (unit IG1) intruding gneiss (unit A12). Note that the granite sheet shows a well-developed coarse igneous texture. It shows none of the strong deformation exhibited by the gneisses.

  • What does the above information tell us about the sequence of geological events represented in this outcrop?

Scale: coin (circled) is 20mm in diameter.

Grid reference: 945 235

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This page is maintained by Roger Suthren

Last Modified: 7 November, 2008