Titlebook: Understanding Mineral Deposits; Kula C. Misra Book 2000 K.C. Misra 2000 economic geology.exploration.formation.geology.mineral.mineral dep

形容詞詞尾

Gold Deposits,etal), and because exquisite objects can be crafted from this highly malleable and ductile metal. The earliest gold miners were the Sumerians, who were working deposits in the present-day Iran by 3800 B.C., and the Egyptians, who had organized gold mining on a significant scale by at least 3000 B.C.

果仁

Book 2000 exploitation. In fact, the earliest human interest in rocks was probably because of the easily accessible, useful (e. g. , red pigment in the form of earthy hematite) or valuable (e. g. , native gold and gemstones) materials they contained at places. In modem times, the study of mineral deposits ha

侵略者

commercial exploitation. In fact, the earliest human interest in rocks was probably because of the easily accessible, useful (e. g. , red pigment in the form of earthy hematite) or valuable (e. g. , native gold and gemstones) materials they contained at places. In modem times, the study of mineral d

安定

Formation of Mineral Deposits, result in further dispersal of trace elements, have been able to produce mineable deposits of geochemically scarce elements, such as gold and mercury, involving concentration factors in the thousands.

cornucopia

審問

LIMIT

反復(fù)無常

Sediment-Hosted Stratiform Copper (SSC) Deposits,riptor ‘stratiform’ is not entirely accurate, because mineralized zones are not always conformable with bedding, but quite adequate if it is allowed to include slightly transgressive morphologies of such zones (Brown 1989). To describe such mineralization as strata-bound would be a greater distortio

Tartar

語言學(xué)

Precambrian Iron-Formations, of Fe-rich rocks (see Ch. 2). In this chapter we restrict our attention to the so called iron-formations, which constitute by far the most abundant and economically the most important iron-rich sediments.