how would you distinguish the following on the basis of physical properties? feldsbar/quartz, muscovite/feldsp
Gold isn't always associated with Quartz though that is how I am most familiar with it also. Gold in the Homestake mine in Lead, South Dakota is generally not associated with quartz. I believe shists are also present at Homestake. The attached ppf shows a possible way it formed homestake.sdsmt.edu/Core/Core%20A...
Well I can go up to 12 hours but I certainly don't like to (sometimes I work 12 hour swings and music is not allowed where I work). However, when I'm music deprived I don't get grumpy but putting on the music will be the first thing I do once I get to my car (even before the seat belt goes on) or when I walk into my house.
