Browse Items (2 total)

  • Title is exactly "Hornfels"

From within visible biotite zone

KBR- 15.JPG
This hornfels was collected from a section of contact metamorphism immediately above the dolerite of the formation from the farm Murrelfontein. It has "spots" of quartz, most likely inverted from tridymite spherulites, in a matrix of devitrified…
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