Re the dictionary definition. Strictly speaking gangue is all unwanted
material associated with ore minerals in an ore and not the rock that the
ore is found in, that is, of course, wall rock/country rock. I, and other
ore mineralogists use gangue to mean those (nasty) non-opaque minerals
with reflectances less than say 12% that clutter up much ore.
Since we are doing pronunciations how is pahoehoe said I was taught pa-hoy-
hoy but have heard on the TV pa-ho-ho-e.
Rob
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