 | | Journal (article/letter/editorial) | | circular vesicles and small lath-shaped crystals of plagioclase: the larger crystals show twinning on the albite-type...snout of the Lewis Glacier, consists largely of plagioclase-laths : these, from their high extinction-angle...brown; it contains numerous tabular crystals of plagioclase, roughly parallel in arrangement, and large crystals...is 2"97. :Examined under the microscope, the plagioclase is seen to occur in two forms. The olivine is...five analyses of pantellerites. The rock is from Zovon, west of Teolo, in the Euganean Hills : it is described |  | | Book | | crystals. In the case of the rhombohedral \ASA PLAGIOCLASE crystals of calcite, the cleavage planes are...groups, we can cite those of calcite, aragonite, plagioclase, garnet, pyroxene, amphibole, and olivine. To...as a measure for the degree of acidity; The plagioclase series is very important as the minerals are...later. The olivine series is similar to that of plagioclase; in this case, the mineral endmembers are forsterite...miles (30 km)). IGNEOUS We have mentioned that plagioclase has chemical balance with the other n iner- |  | | Book (edition) | | wolframite (ferberitehiibnerite). The members of the plagioclase series are also separately listed: andesine,...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga...Katanga administrative region again. The former Kivu province is now divided to three regions: INTRODUCTION...conditions in the gold-bearing "greenstone" in Abitibi province in northern Ontario and Quebec. Some genetic problems |  | | Book (volume) | | icositetrahedron. Rome, crystals kilometres Italy. on from brown chrome-iron-stone, Bissersk,...rhombic-dodecahedron. Almandine, Granatenkopf, 12. Italy, brown rhombic-dodecahedron with Saranovskaya...Frascati, 10. valley, Yakutsk, Cziklowa, 9. Italy. diopside. dodecahedron. Yakutsk, Xalostoc,...carmine-red. outside Geraes, Campo 11. basal Italy. termination. Bavarian Lam, (“Rubellite”), ...Pala, 9. granite. —2R). Minas 8. and white Italy. Elba, first granite; truncating near Sarapulka |  | | Book | | 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Administered Tribal Areas and North West Frontier Province. Ilmenite crystal clusters to 12 cm across have...Mountain, Warsak district, North West Frontier Province. Surface diggings worked by local people on Zagi...onalcommunication, 2007). 4 ITALY Rio Marina area, Island of Elba, Tuscany. Elba (Latin:...attributions-the Xinig mine, Quinghai Province, and the Nan Dang mine, Guangxi Province-and those seen at Tucson were |  | | Journal (article/letter/editorial) | | most voluminous writers among the geologists of Italy. His early labours included a study of the Triassic...Triassic and Infra-liassie rocks of the north of Italy, and he has since continued these researches. Appointed...The oldest and most abundant of them are of plagioclase-augite rocks, which differ in no essential feature...crushing. t Harker, ap. vit. p. 127. i Mere. Geol. Sure. vo]. iii. 2nd edit. pp. 141,144, 145, 147, 161. w '...green tuff full of fragments of felspar (chiefly plagioclase) and pieces of dark andesitic lavas. Another |  | | Book (edition) | | Two different Hg: (a) uOO; fmi; Ouf, S: (b) vO|; vv§; OvJ. ; the other u it is of these two arrangements... 111- 133. 313. 331. 333. Hi. 13.1. 113 R. (^r,\ VO^y 444; 4447 444) 444) 444) 444; 444) 444) R: (24e)...(3b) ^00; O^O; 00^, Wh hW; u'M, v^O; v^O; ^vO; ^vO; 0|v; ^Ov; ^Ov 0|v; = 0.31 and v = j. Intensity... ibid. 4, 81. 4, 67. 100. Wherry, E. T. The Plagioclase Feldspars as a Case of Atomic Isomorphism, 92...Analytical Chemistry. I. Analysis of the Molybdenite of Zovon, Gazz. chivi. ital. 56, 651. 215. Natta, G., and |
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