 | | Book | | WIC ' ' (OSE INSET) Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...Mexicali Show & Nensengdo Figure 4. The mineral province of Sonora. (Mod ors ified from Berstein, 1964...University of New York, Albany) Provinces / 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United...in the province. The belt of active volcanism in south central México is the home of the province of Sierra |  | | Book | | members amphibole (e.g. of the pyroxene (e.g. enstatite) and the anthophyllite) groups are distinguished...belonging to the Rhombic and others In the augite enstatite, bronzite, to the Monoclinic divisions. Augite...as grey or green irregular lamellar masses. Enstatite is similar composition to augite but crystallises...augite. Bronzite is a ferruginous variety of enstatite with a bronze or pearl lustre, containing up to...there is Nepheline (Thenlltc or Nephdiori(e). Enstatite in varieties low ’ in iron. . BASIC Cirhhro | | | Book | | CALl[NTCS ... I MI ( Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...University of New York, Albany) Figure 4. The mineral province of Sonora. (Modified from Berstein, 1964, back...Ttcolote • S 0 R A Sor • Provinces I 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United...in the province. The belt of active volcanism in south central Mexico is the home of the province of Sierra |
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