Structural Geologist/Geochronologist with interests in volcanology, tectonics, mapping. Professor at New Mexico State/Geological Sciences. Views are my own.
Anyone seen anything like this? The central lighter section is anorthosite. The host is apparently gabbro. There's a rim...reaction? or chilled margin? Need to go look at this further. Any ideas about this relationship?
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Can someone point me in the direction of the best choice for a diamond saw blade to cut billets for thin sections? Mainly need a smooth cut. It's a 8" diameter with a 5/8" hole.