«PEGMATITE»に関連するポルトガル語の本
以下の図書目録から
pegmatiteの使いかたを見つけましょう。
pegmatiteに関する本とポルトガル語文献で使われた文脈を提供するための簡単な抜粋文。
1
Pegmatite investigations in Colorado, Wyoming and Utah 1942-1944
A report on resources of beryllium, tantalum and lithium minerals, and of muscovite.
John Bernard Hanley,
1950
Pegmatites have been mined in Connecticut since 1825. Pegmatite is defined as
an intrusive igneous rock, which means it was once hot molten rock forced into
cracks or between layers of rock where it slowly cooled and formed large crystals.
3
Geological Survey Professional Paper
At outcrop V86, foliated granite and pegmatite containing blocks of border-facies
rock suggest slightly younger movement of the silicic main part of the pluton
along this part of the contact. The granite is medium grained (1-5 mm) to very
coarse ...
Geological Survey (U.S.),
1988
4
The ICDP-USGS Deep Drilling Project in the Chesapeake Bay ...
JWH 128 1616.42 5303.20 Quartz vein with planar fractures JWH 95 1623.53
5326.55 Cataclastic pegmatite, quartz-rich zone JWH 62 1628.14 5341.80
Chlorite–mica schist JWH 63 1639.46 5379.25 Schist with porphyroblasts JWH
129 ...
The centrosymmetric structure of petalite (a 11.737, h 5.171, c 7.630 A, p 112.54°
) from the Varutrask granite pegmatite, Sweden, was refined using neutron
diffraction (Tagai et al 1982), and interpreted as being a layered silicate with
folded ...
William Alexander Deer, Robert Andrew Howie,
2004
6
Geological Survey Circular
7 Olson, J. C, 1944, Economic geology of the Spruce Pine pegmatite district,
North Carolina: North Carolina Dept. Conserv. Devel. Bull. 43, pt. 1, 67 p. Ross,
C. S., 1928, Sedimentary analcite: Am. Mineralogist, v. 13, p. 195—197. Smith,
G.I. ...
7
U.S. Geological Survey Professional Paper
On the southwest side of the fault, opposite the primitive area, some of the
plutonic rocks contain sills and dike swarms of pegmatite, but little evidence of
similar pegmatite was seen in the primitive area MINERAL RESOURCES
Evidence of ...
8
Geological Survey Bulletin
Rare fragments of quartz, as much as 8 cm across and generally more angular
than the smaller fragments, are confined to the basal meter of the formation,
especially where it rests on Precambrian granitic rocks containing pegmatite.
9
Rocky Mountain Section of the Geological Society of America: ...
This pegmatite shows a change in the modal mineralogy from the contacts
inward: enrichment in potassium is indicated by increasing abundance of
microcline and a simultaneous decrease in the amount of albite. The Rb and Cs
contents of ...
10
Bibliography and Index of Literature on Uranium and Thorium ...
Harvard quarry on W slope of Noyes Mountain: beryl, columbite-tantalite,
gummite, hatchettolite, samarskite, uraninite, zircon among rare and accessory
minerals in pegmatite; geology, description: 690. Mt. Mica mine near Paris:
autunite, ...
用語«PEGMATITE»を含むニュース項目
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Skyharbour Reports Results From 2015 Diamond Drilling Program …
The highest downhole gamma value was 365 cps from a pegmatite at 274 metres ... three occurring within strongly deformed pegmatites in the upper 5 metres of ... «MarketWatch, 10月 15»
Ganfeng Increases Stake in Avalonia Lithium Project, Ireland and …
Complementing the Company's lithium brine project are rare metals pegmatite properties in Canada (Mavis project) and Ireland (Avalonia project). «MarketWatch, 10月 15»
Lithium Power's Martin Holland in Proactive Q&A Sessions™
Martin Holland: LPI's landholding lends itself well to taking a new approach (for these areas) to rare pegmatite exploration, one focused on looking not just for ... «Proactive Investors Australia, 10月 15»
Phase IV Diamond Drill Program Commences On the Pak Lithium …
The deposit is an LCT (lithium- cesium- tantalum) type pegmatite. ... its 100% owned and optioned project which contains the Pakeagama Lake pegmatite. «MarketWatch, 9月 15»
Professor Hanington's Speaking of Science: Emeralds
For the most part, emeralds occur in pegmatite veins, many times along with quartz, and are the green gemstone of the mineral beryl, a beryllium aluminum ... «Elko Daily Free Press, 5月 15»
HLM Announces $275000 Shares for Debt Financing
The deposit is an LCT (lithium- cesium- tantalum) classified pegmatite. These types of deposits have been the principal source of hard rock lithium, tantalum, ... «Junior Mining Network, 5月 15»
Trading Rocks in the Hot Sun
Dealer Michael Base unpacks a piece of pegmatite weighing 590 kilograms. Photographer: Angie Smith for Bloomberg Businessweek. A tray of about two dozen ... «Bloomberg, 2月 15»
Diamond EPL goes awry
A local diamond exploration company, Pegmatite Diamond and Fishing Namibia (Pty) Ltd (Pegmatite), is condemning its foreign partner, Namibian Underwater ... «Informante, 11月 14»
Valence Industries (ASX:VXL) Discovery of High Grade Arterial …
This area is a completely new area of mineralised pegmatite untouched by historical drilling and entirely in addition to the already known mineralisation that ... «ABN Newswire, 10月 14»
International Lithium and Ganfeng Lithium Move to Advance the …
The Property encompasses an extensive NE-SW oriented 50 kilometre long rare metals pegmatite belt situated within the East Carlow Deformation Zone along ... «MarketWatch, 7月 14»