Siliceous earth, 12 mg
National Institutes of Health
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The relevance of the problem of producing clinkerless binders is well known, since the production of cement on a clinker basis is…
The oxidation of the deep ocean in the Earth’s history is regarded to have occurred in the Neoproterozoic, coincident with the…
A low-grade pyrite sample from Ingaldhal chitatal drug district, Mysore assigning 44-55 per cent Fe,27-83 persent S and 16-13…
The Noda area in the Hokusatsu District, southwest Kyushu is underlain by the Imanokoba, the Ikenodan and the Ogakura Formations…
Arc-continent collisions occur commonly in the plate-tectonic cycle and result in rapidly formed and rapidly collapsing orogens…
.............................................................................................................................................................. 1 Regional geology ................................................................................................................................................. 1 ...................................................................................................................................................... Project history 4 Methodology ........................................................................................................................................................ 5 Lower Permian megafauna .................................................................................................................................. 5 Siliceous argillites ("cherts") sampled for radiolarians ....................................................................................... 8 Limestones analyzed for conodonts .................................................................................................................... 8 Upper Triassic sedimentary interbed of the Nikolai greenstone ......................................................................... 8 Acknowledgments ............................................................................................................................................... 8 References ........................................................................................................................................................... 9 Appendix ............................................................................................................................................................. 1 1