Bao Guo

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Questions related from Bao Guo

Correcting for detrital contamination in radiogenic 87Sr/86Sr from single-bulk strong-acid leaching (no pre-leaching) ?

I’m measuring radiogenic 87Sr/86Sr in powdered limestone using a single-bulk strong-acid leach without any pre-leaching step. I want to minimize or correct for detrital contamination, but I do not...

3 weeks ago 910 0 View

How to remove impurities (calcite, hard soil, quartz particles?) on the surface of conodont fossils?

I have encountered some difficulties with the fossils of conodont. Recently, we have obtained some conodont from the Triassic. However, many of the conodont have some impurities on their surfaces...

02 May 2025 8,994 1 View

Can you find this article?

I want to download a literature, but I can't find it. I'd be grateful if you could help me find it. ：Agassiz, L. 1833–1845. Recherches sur les Poissons Fossiles. 1–5. Imprimerie Petitpierre,...

31 March 2025 5,322 1 View