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| | Journal (article/letter/editorial) | | University of Texas at Austin, Austin, TX 78712, USA;
brent.elliott@beg.utexas.edu; Tel.: +1-512-471-1812...Texas is enriched in Be, F, Li, Nb, Rb,
Sn, Th, U, Y, Zr, and rare earth elements (REEs). REE-bearing minerals...incorporated in synchysite-group minerals,
xenotime-(Y), Y- and Ce-rich fluorite, and zircon. The rhyolite...consistent with
the elevated and remobilized Zr, Th, and Y + HREE (heavy rare earth element) concentrations and...rhyolite is enriched in Be, F, Li, Nb, Rb, Sn, Th, U, Y, Zr, and REEs [1–4].
REE-bearing minerals are mainly | 👁 Image
| | Journal (issue) | | issue.
Photo: Mick Cooper.
4
HARMOTOME FROM PEN-Y-CLUN
D. Morgon • R.E. Starkey
7
DIARY OF EVENTS
8...Typin~ Sen-ice, 2CJRycon St.,
Worksop, Nocts. SH0 2,\ Y
Td.
38 ------MINERAL NEWS
ROCK BOTfOi\l Pl'BLICATIO:"\S...Minerals No. 10
-3-
HARMOTO ME
-------from
PEN-Y-CLUNMINE
Dyfed,
Llanidloes,
Wales.
Doug Morgan...occurrenceof the rare ban·um zeoliteham1otomeat Pen-y-Cl1111
Mine is thoughtto be only the third
locali...with baryte and witherite at Pen-y-Clun
.\fine.
RESERVOIR
CLYWE~OG
PEN-Y- .._,. c:::)
CLUN "
MINE "--
| 👁 Image
| | Book | | Weinheim, Germany Chapman & Hall USA, 115 Fifth Avenue, New York, NY 10003, USA Chapman & Hall Japan. ITP-Japan...of rare earth atoms Structural differences between Y-group and Ce-group rare earth minerals lsomorphous...mineralization in peralkaline systems: the T-Zone REE-Y-Be deposit, Thor Lake, Northwest Territories, Canada...Thor Lake rare-metal deposits The north T-Zone REE-Y-Be deposit 40 Ar/ 39 Ar geochronology Fluid inclusion...stage, 300-400Ma PaJaeozoic-Caledonian-Hercynian Y -REE mineralization in amazonitic rand-pegmatities | 👁 Image
| | Book (volume) | | Duane L. Leavitt
The Bennett Pegmatite, Oxford County, Maine . ........................................permanent photographic
exhibits in the northeastern USA. The Shaubs have been active
in ornithological research...tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California. Most recently, Gene was
gratified...Maine's treasure chest; Gems and minerals of Oxford
County, second edition: Quicksilver Publications, West...New York
Newport Historical Society, Newport, Rhode Island
Northeastern University, Department of Geological | 👁 Image
| | Journal (article/letter/editorial) | | Department of Geology, Bates College, Lewiston, ME 04240,
USA (bjohnso3@bates.edu)
4
Department of Biochemistry...Sciences, University of Tennessee,
Knoxville, TN 37996 USA
(*correspondence: mhage@utk.edu)
2
Dept. Earth Sciences...Sciences, University of Georgia,
Athens, GA 30602, USA
(*correspondence: cmeile@uga.edu)
Intertidal salt...SCHRAG
Harvard University, Cambridge, MA 02138, USA
(*correspondence: ihalevy@fas.harvard.edu)
The Archean...Sciences, Univ. of Michigan, Ann Arbor,
MI 48109-1005, USA
(*correspondence: cmhall@umich.edu)
In order to further | 👁 Image
| Nazari-Dehkordi, Teimoor, Spandler, Carl, Oliver, Nicholas H. S., Wilson, Robin (2020) Age, geological setting, and paragenesis of heavy rare earth element mineralization of the Tanami region, Western Australia. Mineralium Deposita, 55 (1) 107-130 doi:10.1007/s00126-019-00878-4 | Journal (article/letter/editorial) | | The orebodies consist
predominantly of quartz, xenotime, and minor florencite and occur along steeply...anhydrite, and pyrite. In situ U–Pb dating of xenotime from several deposits/prospects yielded an age...sedimentary basins.
Keywords Rare earth elements . Xenotime . Unconformity . Isotopic dating . Tanami region...style with ore metals contained predominantly
in xenotime [(Y,HREE)PO 4 ] and minor florencite
[LREEAl3(PO4)2(OH)6]... in an area known as the North Australian HREE +
Y mineral field (herein abbreviated to NAHREY) as proposed | 👁 Image
| | Book (edition) | | xanthiosite to xenotime-(Y) . 311 G: gadolinite to gyrolite .. 137 Y: yarrowite to yttrocrasite-(Y). 312...Minerals, Nomenclature and Classification. Co. County. EBSD Backscattered electron diffraction (a technique...80 67 53 49 77 19 u 36 V w 57 3 71 12 Xe y Yb Zn 25 42 Zr 7 viii Atomic No. 11 41 60 10...and Russia, as well as continental Europe and the USA. It is primarily as a result of their efforts that...which ~t/(I) and lv1(2) represent crystallographical\y distinct sites that may contain divalent Ca, Co, Cu | 👁 Image
| | Field Trip Notes | | Proterozoic schists south of the Hyatt pegmatite, Larimer County Sponsored by: Colorado School of Mines Geology...to the Eight Mile Park pegmatite field, Fremont County............................... 10 Eight Mile Park...guide to the Texas Creek pegmatite field, Fremont County .................................... 23 Devils...to the Crystal Mountain pegmatite field, Larimer County............................. 34 Wisdom Ranch pegmatite.......... 54 The Big Bertha pegmatite, Jefferson County............................................... | 👁 Image
| | Book | | associated LREE minerals in central India. Several
xenotime-bearing stream placer occurrences identified in...offer
scope for exploration inputs for augmenting xenotime-bearing stream placer
resources. Carbonatite-hosted...Singhbum Shear Zone (SSZ), Jharkhand, notably
the xenotime concentrations in the Kanyaluka area along the...REE (LREE) and Eu to Lu as Heavy REE (HREE). Both Y and Sc
are also clubbed with HREE (Table 1.1; US Department...uranyl-carbonates and
© Springer Nature Switzerland AG 2020
Y. Singh, Rare Earth Element Resources: Indian Context | 👁 Image
| Hasalová, P., Janoušek, V., Schulmann, K., Štípská, P., Erban, V. (2008) From orthogneiss to migmatite: Geochemical assessment of the melt infiltration model in the Gföhl Unit (Moldanubian Zone, Bohemian Massif) Lithos, 102 (3) 508-537 doi:10.1016/j.lithos.2007.07.021 | Journal (article/letter/editorial) | | accessory
phases are apatite, monazite, zircon and xenotime. The
modal proportion of feldspars remains in...characteristic but less common are monazite,
zircon and xenotime. The Th content in monazite is
continuously increasing...elevated U (b 4wt.% UO2), Ca (up to 6wt.%
CaO) and Y (b 2.2wt.% Y2O3).
515
Hasalová et al. (in press-a)...CaO
SrO
Total
P
Si
∑ (P→Si)
Th
U
La
Ce
Pr
Nd
Sm
Gd
Y
Al
Ca
Sr
∑ (Th→Sr)
Total
29.97
0.31
4.04
0.71
13...000
1.016
2.020
End-members
Huttonite
Monazite
Xenotime
Brabantite
0.56
87.95
5.43
6.05
1.23
88.83
3 | 👁 Image
| | Book (volume) | | extends from outline works such as Minerals of
Washington (Cannon, 1975), Monteregian Treasures (Mandarino...greater variety of minerals are found in Oxford County,
alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than
Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...Cannon, B., 1975, Minerals of Washington: Cordilleran, Mercer Island, Washington, 184 p.
Deliens, M., Piret | 👁 Image
| | Journal (issue) | | half of 1808 he traveled by dog
sled around Disko Island (Qeqertarsuaq).
In May of 1808 he learned that...radioactive minerals, e.g. allanite,
euxenite, xenotime, uranothorite and uraninite. These have been useful...Tourmaline reaches sizes up to 3 x 10 cm at the island of Sermitsiaq
and at the Ivisartoq (Ivisaartoq)...Frederikshab Isblink (Sioraq) glacier, close
to the island Ravns Storp, a belt of supracrustal mica schist...Godthabsfjord
(Nuup Kangerlua) area overlooking the island
Storp (Qeqertarsuaq); photo by K. Secher.
Figure | 👁 Image
| | Book | | Resource Reviews Series Editor John Slack, Reston, VA, USA Mineral Resource Reviews is the official book series...olivine-rich ultramafic rocks, including both ophiolites in island arc settings (e.g., Antilles and western Oceania)...has become the largest producer, surpassing the USA. The origin of the highly prized China clays of SW...improve this chapter. References Anbar AD, Duan Y, Lyons TW, Arnold GL, Kendall B, Creaser RA, Kaufman...Gallagher vanadium property and Manila mine, Cochise County, Arizona. Rocks and Minerals 90:338–352 Bowell | 👁 Image
| | Journal (issue) | | Element Data (ppm)
Rb
Sr
U
La
Ce
Nd
Sm
Eu
Tb
Yb
Lu
Y
Zr
Hf
Nb
Ta
Th
D286
Dartmoor
D339 D346
D120
513...Cairngorm has systematically slightly higher
HREE and Y abundances and a rather higher Zr/Hf ratio.
It is...MoineDalradian boundary maintain almost constant levels of Y
and Zr. These discrepancies lead us to conclude that...rocks of the British Isles. Wiley.
Tammemegi, H. Y. and Smith, N. L. 1975. A radiogeologic study
of the...Oil, Bastion House, 140 London Wall, London, EC2 Y
5DN.
Introduction
In the Devonian of south-west England | 👁 Image
| | Book | | ,.•·
·"1,_
.-'
Langangani.J "f.'IL.ano.i,gert.
y,.....•._
r.r1'
'?,;~~{/
"'.:~;
,,
..
-·-t
~...recommendation, ground and polished
a feldspar from the county of Larvlk, noted that
It had the same property...once; to collect labradorizing feldspar on
the island just outside the harbour,which
today is known as...finding was made when hunting for ducks
along the island L0v0ya, probably in the
autumn of 1828.The sample...work was done by Esmark.
had found on a small island outermost in
He published, however, a guidebook | 👁 Image
| | Journal (issue) | | Touret (France) Victor T. Trofimov JohnS. White(USA) Nikolay P. Yushkin 0 Text Translators: Designidea... Nikolay 0. Parlashkevich Michael B. Leybov Igor Y. Galkin Natalia A. Vishnevskaya Georgy I. Ivanov ...Littleton Phone/fax: (7-495) 629-4812 CO 80123 USA E-mail: minbooks@online.ru E-mail: minbooks@online...Plumbomicrolite Aeschynite-(Ce) Samarskite-(Y) Fergussonite-(Y) Euxenite-(Y) Bromellite Goethite Limonite Brucite... + + + Hessonite Melanite Euclase Gadolinite-(Y) Humite Clinohumite Chondrodite Kyanite Titanite | 👁 Image
| | Report (issue) | | -_;. The Olmgho.us~ J?istricJ Denver, Colorado, USA • BY ALAN R. DAY 1\1 q_\\l,'\RRE__N \\'RIGHT PARKS...and Layout Gloria A. Staebler . PAGE28 ~~coln County Silver Mines " © 2013 Lithographie,Ltd..!.PO Box...9.5 cm wide White Caps 1\1\ine,Manhattan. --Nye County ., The Majuba HfilMine - PAGE76 - s;;i1thsonian...stone ovens at-Bristol \,Velis in Lincoln County ,~ere used to make ' charcoal to fuel the smelter...hundreds of dollars per day in gold. Cursing the hea,-y black sand that clogged their rockers, the men threw | 👁 Image
| | Book (edition) | | 205
J. Jamesonite - Joseite / 207
K. Ka inosite-(Y) - Kyanite / 210
L. Lab radorite - Lu dwigile / 2...310
Z . Zinnwald ite - Zoisile / 3 11
Appendix I
County Index / 3 17
Appendix n
Bibliography / 323
Part...
l
1
Coeur d 'Alene Mining District
Sh oshone County
His tory
The world's largest silver-producing mining...MINERALS
42
2
Blackbird Mining District
Lemhi County
Introduction
The Blackbird Mining District, is...degree of metamorphism increasing northerly and westerly towards the Idaho batholith.
The southwestern | 👁 Image
| | Book | | ancestors, are
frontier
R. D. N.
New York, N. Y.
July, 1954
VI
ACKNOWLEDGMENTS
In a work of this...operation of this type is carried out at Hanford, Washington. The
fissionable materials, uranium-235 and...cent uraof granite 1
nium. However, monazite, xenotime, and allanite may contain from
1
to 15
per...discovered deposits in sandstone in southern
Carbon County, Wyo-
ming. It is also the most common secondary...described from
a gold placer in Kelley Gulch, Custer County, Idaho. Only thucholite and
betafite are not known | 👁 Image
| | Report (issue) | | Press Photographs Press, Reno, Nevada 31 89557 USA by Stephen B. Castor, Jeff Scovil, Storm Sears,... Majuba Hill Mine, Antelope district, Pershing County. N, Prenn collection. Photograph by J. Scovil...CEO and assumed state s/_-~—smost forty-eight y Interior. he became leader- of Nevada, al- million...Geology and Minerals Stephen B. Castor Ill Clark County John C. Kepper 91 Nevada Mineral Catalog Gregory...quartz collecting County and the crystal- area on Petersen Mountain in Washoe County, permission to | 👁 Image
| | Book | | ered glass
- resh_clter, unroll I eredl 911055
cla,y
C - Saline water, phil i,p,si.'e '_ h _ul - nd·te...nd·te
A-
--Mo're salline, analc'imle
E ~High-'y saline" K-felds ·a,r'
Figure 2. Volcanic ash is
unaltered...nodules, on the South Indian
Ridge, east of Kerguelen Island, in the Indian Ocean (Mohapatra and Sahoo, 1987)........
~-
c:>
~
"""" ~
..'..... ".<""',) II l,y,fR"\\~i>liW
... /
/ ,
_
- <===->
~
<=:>.
-'~;'...molten flow.
Many volcanic flows in Hawaii and Washington (in the U.SA) and Iceland, show that basalt
flowed | 👁 Image
| | Book | | ered glass - resh_clter, unroll I eredl 911055 cla,y C - Saline water, phil i,p,si.'e '_ h _ul - nd·te...nd·te A- --Mo're salline, analc'imle E ~High-'y saline" K-felds ·a,r' Figure 2. Volcanic ash is unaltered...nodules, on the South Indian Ridge, east of Kerguelen Island, in the Indian Ocean (Mohapatra and Sahoo, 1987)...: . .:r.r., .. , -' I - I ..'..... ".<""',) II l,y,fR"\\~i>liW / I _ 1-, \ /' \ /1/ I / \ ~ _ -=0...molten flow. Many volcanic flows in Hawaii and Washington (in the U.SA) and Iceland, show that basalt flowed | 👁 Image
| | Journal (issue) | | ~
.
' .
., ,\tk \:'. ,\' ~
, ... :r.,\\
1/J. I
y
Mi.neralogical Almanac
volume 14, issue 2, 2009
...Touret (France)
Victor T. Trofimov
John S. White (USA)
Nikolay P. Yushkin
Translators:
Design idea
Layout... Nikolay 0. Parlashkevich
Michael B. Leybov
Igor Y. Galkin
Natalia A. Vishnevskaya
Georgy I. Ivanov
...117556 Russia
4871 5. Dudley St., Littleton
CO 80123 USA
Phone/fax: (7-495) 629-4812
E-mail: minbooks@online...+
Grotite
+
+
+
+
+
+
+
Euclase
Gadolinite-(Y)
Humite
Clinohumite
Chondrodite
Kyanite
Titanite
| 👁 Image
| | Report (issue) | | 31
University of Nevada Press, Reno, Nevada 89557 USA
Copyright © 2004 by University of Nevada Press
Photographs... Majuba Hill Mine, Antelope district, Pershing County.
N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine)
Mining District, Clark County
John C. Kepper
91
References
467
Contributors...Humboldt County and the crystalline quartz collecting area on Petersen Mountain
in Washoe County, permission...Nickel-chromiumcobalt-platinum mineralization in Nye County
was deposited in serpentinites thought to have | 👁 Image
| | Journal (issue) | | (Fig. 2) only show a weak
stretching lineation (X: Y= 2: 1) but strong flattening in
the XY plane. The...traverses were carried out, of
which the most westerly was in the same general area as
the earlier work...of Exeter. Interpretation of the results of the
westerly traverse by Davey (1981) generally agreed with...Crediton are illustrated in Figure 2.
The most westerly evidence for extension of the Crediton
Trough...of the basin decreases westards. How much this
westerly diminution is a real phenomenon, and how
much |
|
