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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Things You Find in the Field: Pyramidal Objects #4

It's not a pyramid, unlike the three pyramidal objects (#1, #2, #3) I posted about a couple years back. It's actually a frustum, in this case a pyramidal frustum, one based on an oblique, irregular, triangular pyramid. That is, it's a "chopped" triangular pyramid. The rock itself was on an alluvial fan not far from Walker Lake; it was pointed out to me by MOH, who spotted it on our second-day

Stratigraphy.net | Impressum
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