Aggregate
发表于 2025-3-23 13:29:51
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制度
发表于 2025-3-23 15:40:02
Crustal Abundance Modeling of Mineral Resources: Recent Investigations and Preliminary Results,ucture to permit credible costing of exploration and production. Accommodating such a requirement leads to specification of a statistical model that describes deposit size, grade, depth, and intradeposit grade variance. This paper reports on a preliminary investigation of the estimation of such a model for U.S. uranium.
大约冬季
发表于 2025-3-23 18:18:03
Numerical Classification of Mesozoic Volcanic Rocks in the Eastern Part of China and its Geologicalnear mapping are utilized. The obtained results verify the rationality of division of these volcanic rocks into groups from their rock-type characteristics, and present much useful information which may be utilized for theoretical and practical purposes.
CHOIR
发表于 2025-3-24 00:10:37
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botany
发表于 2025-3-24 04:25:40
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整洁
发表于 2025-3-24 09:57:53
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OTHER
发表于 2025-3-24 11:40:19
https://doi.org/10.1007/978-3-658-23650-2ns to metamorphic rocks and intrusive rocks are described in which image processing leads to the following results: (a) the probability of a grain to be surrounded by other grains, (b) the mapping of particular grain sequences, and (c) the identification and statistical analysis of individual grain
地牢
发表于 2025-3-24 16:18:10
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竞选运动
发表于 2025-3-24 21:04:55
https://doi.org/10.1007/978-3-658-23650-2e of strong dissimilarities between the Ogallala (Pliocene) and Permian groupings, the data were segregated..Variograms were computed for each variable, separately for the Permian and Ogallala. Variogram models were cross-validated using randomly selected data subsets. In addition to kriged contour
intertwine
发表于 2025-3-25 03:11:38
https://doi.org/10.1007/978-3-658-23650-2ides present within the Mountain View area of the Stillwater Complex..Geologic models have been proposed on the interrelation between sulfide mineralization and silicate rocks in layered intrusions, mechanisms for separation of immiscible sulfide liquids from basaltic magmas, methods of collection a