منابع مشابه
Mineral resources and geo-engineering
Metals used in everyday life are produced from ores occurring in the Earth’s crust. Geological processes are known to concentrate minerals to form ores of economic value. Mineral processing engineers concentrate these ores by mechanical and physico-chemical methods while the extractive metallurgist extracts the metals by chemical means.
متن کاملthe innovation of a statistical model to estimate dependable rainfall (dr) and develop it for determination and classification of drought and wet years of iran
آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...
15 صفحه اولPreliminary Geology and Mineral Potential of the Cascade Recreation Area
The C;~scade Rrcreation Area wi,\ created in 1YX7 to preserve wilderness and heritage recreation opportunities in I67 quxc kilomctres of the northern Cascade Mountain\. The area encompxses the headuatcrs of the Tulamecn. Snnss and Skaist rivers in the Ho~amccn Range\. 10 kilometres southeast of Hope and is hordcred by Manning Provincial Park on the southeast and Skagit Valley Recreation Arca on...
متن کاملGeology and Mineral Occurrences of the Yalakom River Area*
(Glover et al . , 1988a, 1988b) and 1988 (Schiarizza et a l . , 1989d, 1989b). and extends the mapping eastward to include the eastem part of the Shulaps Range, the Yalakom and Bridge River valleys and the adjacent Camelsfoot Range. In addition, several weeks were spent re-examining critical areas in the Tyaughton Creek area and traversing the area south of Gun Creek in an effort to mesh our ...
متن کاملGeology and Mineral Potential of the Chilko Lake Area
by intermittent land masses on the northeast and southwest. The area has been cut by numerous right-lateral transcurrent faults and the stratified rocks now lie along the northeastern flank of the Coast Plutonic Complex. leletzky and Tipper (1968) described a faunal stratigraphy for the Taseko Lakes map sheet and discussed the role of the Qaughton trough in the geological history of southwester...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Mineralogical Society of Korea
سال: 2012
ISSN: 1225-309X
DOI: 10.9727/jmsk.2012.25.3.175