 | Viehmann, Sebastian, Bau, Michael, Bühn, Bernhard, Dantas, Elton L., Andrade, Fábio R.D., Walde, Detlef H.G. (2016) Geochemical characterisation of Neoproterozoic marine habitats: Evidence from trace elements and Nd isotopes in the Urucum iron and manganese formations, Brazil. Precambrian Research, 282. 74-96 doi:10.1016/j.precamres.2016.07.006 | Journal (article/letter/editorial) | | 623 ± 15 Ma of plutonic rocks of the Bolivian La Pimienta Formation, a proposed correlative equivalent...It is from a large exposure in the mining area of mine 1B showing red-coloured, ferruginous diamictites...only minor and occasional kaolinite, dolomite and goethite (Table 1 in the Appendix). Manganese-rich chemical...consist of braunite and cryptomelane with minor goethite. Thirty-eight out of 46 IF samples consist of...Cs Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Pb Th U Y/Ho Th/U Zr/Th Ti/Zr Ti/Th (La/La⁄)SN |  | | Book (volume) | | 80301 Cover Photo: Chapter 20. 10 La Caridad Copper Mine, I. Salas, Guillermo P. 90-28579 ■ ...geothermal field, Puebla F. Romero R. . 77 8. La Primavera geothermal field, Jalisco . Saul Vengas...173 15. Baja California Peninsula Metallogenic Province . 177 16. Summary of structural and stratigraphic...Geology and mineral deposits of the El Boleo copper mine, Santa Rosalia district, Baja California Sur . Ivan...195 18. Sierra Madre Occidental Metallogenic Province . Guillermo P. Salas 197 19. Cananea copper |
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