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Wordless Wednesday – Any geologists around?
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Science activities for parents of babies, toddlers and school children.
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{ 5 comments }
Porphyry, its full of potasium rich feldspar. Which was the stuff that broke in to squareish bits. The silverly grey stuff could be hemetite or Moly, if it makes a brown streak on a ceramic surface its hemeite. If a siliver streak and very soft, Moly.
Thank you, I’ll try the streaks with my kids to see what it is.
Is the whole chunk porphyry or is the quartz a later intrusion? At least now I know what part of the map we are on.
The tiny bit of Geology I did at uni isn’t any help I’m afraid, but it is a really fabulous rock – my boys love rocks, and would have been so stoked to find something like that. What a wonderful find for your little ones!!
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Oh boy look at that rock. I am not much help with further knowledge about it though
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How interesting Deb.
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