bbs07933 Posted July 5, 2021 Share Posted July 5, 2021 Cross-section, specimen 50mm in diameter. Marcellus shale south side of Stroudsburg, PA. Collected in 2007 3 Link to comment Share on other sites More sharing options...
Fossildude19 Posted July 5, 2021 Share Posted July 5, 2021 This is a very pretty piece! Thanks for posting it. Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Wrangellian Posted July 5, 2021 Share Posted July 5, 2021 Has this been sliced and polished, somewhat? Link to comment Share on other sites More sharing options...
bbs07933 Posted July 6, 2021 Author Share Posted July 6, 2021 More rugosa and tabularia. Marcellus shale. Look like at least 4 species. Any advice on how to make them look better? The shale is pretty hard. Link to comment Share on other sites More sharing options...
bbs07933 Posted July 7, 2021 Author Share Posted July 7, 2021 Another cross-section (at an angle) with a bit more clarity and contrast. The mineralization is mostly calcite with some possible hematite/limonite. A later diametric crack was also filled with calcite. I was looking at the map and this is actually at the boundary of the Marcellus and the underlying formation (Buttermillk Falls?) Link to comment Share on other sites More sharing options...
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