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KBR16

Abstract

This thin section is noticeably layered with alternating lenticular zones of compositionally similar quartzofeldspathic layers of differing grain size. Plagioclase, k-feldspar, quartz and glass or clay are the identifiable mineral phases. This is described by Western Minerals Inc. as 'adinole, potassium-rich, with ?hercynite. From same type of situation as KRB15...Occurs above a conspicuous dolerite pegmatite.'

Note

The author has given permission for this work to be deposited in the Digital Archive of Colorado College.

from the farm Murrelfontein, see handout and map

Administrative Notes

The author has given permission for this work to be deposited in the Digital Archive of Colorado College.

Copyright
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Publisher
None
PID
coccc:19516