منابع مشابه
Testing Established Models of Hydrothermal Fluid Distribution Around Porphyry Deposits: The Application of Fluid Inclusion Research to Porphyry Deposit Exploration
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متن کاملWhy large porphyry Cu deposits like high Sr/Y magmas?
Porphyry systems supply most copper and significant gold to our economy. Recent studies indicate that they are frequently associated with high Sr/Y magmatic rocks, but the meaning of this association remains elusive. Understanding the association between high Sr/Y magmatic rocks and porphyry-type deposits is essential to develop genetic models that can be used for exploration purposes. Here we ...
متن کاملGeology of the Poplar Porphyry Copper - Molybdenum Deposit
The Poplar copper-molybdenum porphyry deposit, 50 kilometres south-southwest of Houston, is centred near 54 degrees 01 minute north and 126 degrees 50 minutes west. The property is accessible from Houston via 80 kilometres of forest access roads along the Morice River, Owen Lake, Tahtsa Reach, and Poplar Lake. The deposit is situated on the northeast shore of Tagetochlain (Poplar) Lake in an ar...
متن کاملSong structure without auditory feedback: emendations of the auditory template hypothesis.
Motor patterns of songs of swamp and song sparrows, Melospiza georgiana and M. melodia, deafened early in life display a significant degree of species-specific structure. Normal songs of the two species differ in the degree to which they are segmented. Swamp sparrow song consists of a single segment, and song sparrow songs are multisegmental. Song and swamp sparrows were deafened at 17 to 23 da...
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ژورنال
عنوان ژورنال: Classical Philology
سال: 1911
ISSN: 0009-837X,1546-072X
DOI: 10.1086/359561