与 «CASSITERITE»相关的英语书籍
在以下的参考文献中发现
cassiterite的用法。与
cassiterite相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Field Guide to Rocks & Minerals of Southern Africa
CASSITERITE Sn02 Composition: oxide Crystal system: tetragonal Hardness: 6-
7 Specific gravity: 6.99 Streak: white, grey-brown Lustre: adamantine, vitreous
Named from the Greek 'kassiteros' meaning 'tin'. Cassiterite is the main economic
...
2
Gems: Their Sources, Descriptions and Identification
Cassiterite, SnO2, is the principal ore of tin. When transparent material is faceted
its high dispersion (0.071) and uniaxial positive RI 2.003 and 2.101 for the
ordinary and extraordinary rays respectively, combine to produce an attractive
and ...
3
Mineral Deposits at the Beginning of the 21st Century
3 TIN-BEARING ZONES Cassiterite was found in the western part of the R?dziny
quarry, in mineralized zones related to the high-angle (65-70°), NNE-SSW
striking fracture system. Cassiterite was observed at three of four operating
mining ...
4
The Book of Stones: Who They Are and What They Teach
It can sometimes be cut into gems, though such high-grade pieces are rare. It has
been found in Australia, Bolivia, Mexico, Malaysia, England and Namibia.
ROBERT SIMMONS Cassiterite connects one's consciousness with the deep
Source.
Robert Simmons, Naisha Ahsian, 2007
5
Extractive Metallurgy of Niobium
The Rayfield- Goma and Forum are the richest phases of the granite intrusion.
Cassiterite and columbite are present in all the deposits, but the tin-to-niobium
ratio is highly variable, from 1:10 to 0.5:1. The total reserves of niobium in Nigeria
are ...
C. K. Gupta, A. K. Suri, 1993
6
Compositional Data Analysis in the Geosciences: From Theory ...
1n this line, this work focuses on the trace element composition of cassiterite,
instead of on the mineral paragenesis accompanying it. The studied database
involves 600 analyses of trace elements (ln, Sc, W, Nb, Zr, Be, Fe, Ti, Cr, V, Mn).
Antonella Buccianti, G. Mateu-Figueras, Vera Pawlowsky-Glahn, 2006
7
Giant Metallic Deposits: Future Sources of Industrial Metals
Pe1 retrograde skarn with Zn,Fe,Cu sulfides overprinting exoskarn; it is cut by
quartz-cassiterite vein- lets; M3. Stockwork of quartz-cassiterite veinlets in
greisen envelope in hornfels above granite apex assemblage) is best developed
in the ...
8
Tables of Gemstone Identification
Roger Dedeyne, Ivo Quintens. Vanadinite Cassiterite Cassiterite synthetic
Wulfenite Vanadinite Cassiterite Cassiterite synthetic Wulfenite Vanadinite
Cassiterite Cassiterite synthetic Wulfenite Vanadinite Cassiterite Cassiterite
synthetic ...
Roger Dedeyne, Ivo Quintens, 2007
9
Memoirs of the Geological Survey of Great Britain, and of ...
Cassiterite, and Quartz. Tregarva Mine, near Penzance, Cornwall. 372.
Cassiterite. Huel Gwallon, Marazion, Cornwall. 373 & 374. Cassiterite, with
Quartz and Chlorite. Great Work Mine, Breague, Cornwall. Presented by J.
Sylvester. 375, 376 ...
Geological Survey of Great Britain, 1864
10
Catalogue of the Mineral Collections ...
Cassiterite, and Quartz. Tregarva Mine, near Penzance, Cornwall. 372.
Cassiterite. Huel Gwallon, Marazion, Cornwall. 373 & 374. Cassiterite, with
Quartz and Chlorite. Great Work Mine, Breague, Cornwall. Presented by J.
Sylvester. 375, 376 ...
Museum of Practical Geology (Great Britain), 1864
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找出国内和国际出版社所讨论的内容，以及词语
cassiterite在以下新条目的上下文中是如何使用的。
Alphamin Reports Encouraging Drill Results from Its New Discovery …
Results and visible cassiterite mineralisation have confirmed tin mineralisation extends over 200m strike with the vertical extent ranging ... «Stockhouse, 七月 15»
Coltan Miner Dies in Rutsiro
A Muhanga man died on June 19 when a cassiterite mine caved in. A month earlier, another illegal miner drowned as he tried to wash minerals ... «AllAfrica.com, 七月 15»
The most ambitious political theatre ever staged? 14 hours at the …
“Why this war has continued to rage is no longer to do with ethnic antagonism, but commodities, like coltan, niobium, or cassiterite, which are ... «The Guardian, 六月 15»
Local Exporters Eye Indian Market
Rwanda's export earnings are mainly from traditional exports of coffee, tea, cassiterite, coltan and wolfram, which are not sufficient enough to ... «AllAfrica.com, 六月 15»
Democratic Transition in the Congo
... they now fight over diamonds, copper, cobalt, cassiterite, columbite, uranium and other rare-earth minerals – however, nothing of substance ... «The Epoch Times, 六月 15»
Advanced Mineral Recovery Technologies Restructures for Growth
... copper, cobalt, tin (including medium grade Cassiterite), gold in tailings, lead, zinc, platinum, many ferro-alloys and catalysts, using a single ... «Digital Journal, 六月 15»
Neglect of Solid Minerals - Why Nigeria Remains Poor
... mica, sphalerite, talc, gemstone (tourmaline, aquamarine and sapphire), halcopyrite, topaz, cassiterite, columbite, tantalite, emerald, heliodor, ... «AllAfrica.com, 六月 15»
Mother Justice - Waging a War On Rape
... international players, neighbouring countries and homegrown aggressors have long looted its earth of coltan, gold, diamonds and cassiterite, ... «AllAfrica.com, 六月 15»
U.S. Human Rights Report Notes Child Labor in Many Diamond …
... in the artisanal mining sector, digging for diamonds, gold, cobalt, coltan, wolframite, copper and cassiterite. In the mining regions of Katanga, ... «Rapaport, 六月 15»
Western-Backed Terrorism in The Congo: Where Is General Laurent …
... General Nkunda and the MCRC had reportedly been targeting gold, cassiterite, coltan and tourmaline mines mainly in Masisi and Walikale. «Center for Research on Globalization, 六月 15»
