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Geology Johnson @geologyjohnson.bsky.social

All sorts of things include algae and something else. We are trying infrared analysis atm, but so far, they are proving difficult to characterise.

aug 30, 2025, 5:43 am • 1 0

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stonegecko.bsky.social @stonegecko.bsky.social

Have you tried biomarkers like cholestane, ergostane and stigmastane? At least that might help label green v red algae and eliminate or include fungi etc

aug 31, 2025, 6:32 am • 1 0 • view
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Geology Johnson @geologyjohnson.bsky.social

Not yet. I'm hoping to try that on individual fossils in the near future. It just depends if I can get a postdoc or fellowship to continue doing science after this funding ends in December.

aug 31, 2025, 7:24 am • 1 0 • view