Karyn Ann Patridge

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Questions related from Karyn Ann Patridge

What features help discern pyroclastic flow deposits from surge deposits?

I have attached a few pictures below, wondering if people might offer their interpretation about some rhyolite tuffs in central Washington. I'm interpreting the first two photos from section of...

07 December 2016 5,574 4 View

What do differing zirconium concentrations in rhyolitic tuffs say about their relation to each other?

I'm studying a rhyolitic tuff that displays zirconium enrichment upsection, and am uncertain why. Lithologically the upper tuff consists of bedded block and ash flow deposits and fall out, while...

07 September 2016 9,770 2 View