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| | Report (issue) | | No. 12: Bolivia
ht of Mineral Collecting
N 978-0-9790998-5-4
Publisher
Lithographie, LLC
Denver, Colorado...specimen 'being sold
with the shrine when he was in Bolivia buying
mineral specimens in the 1970s. He took...(presumably without the shrine) to a European in
La Paz, Bolivui. Rolf Wein bought the specimen on
July...ophyllite; 5. 2 cm tall
Cerro Rico, Potosi, B,atillo province, Potosi
Andy Seibel col/action
Jejf-SC,m/.plwto...wp11�. Yaalte: 12.5 cm wide
Siglo XX Mine, ,U� Bustillo province, Potosi
Malty Zinn colkdknt (ex Marv | 👁 Image
| | Journal (issue) | | Articles
Famous mineral localities:
The Bristol copper mine, Connecticut......................................in the U.S.A.
notesfrom th r
EDITORS
OLD YUMA MINE
Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous
mineral localities: the Old Yuma mine,” in vol....period of activity, access to the mine
was cut off in 1984. In 1996 the mine area was absorbed into the
Saguaro...and
Mining Company for the sum of $558,000. The mine is now owned
outright by the Federal Government | 👁 Image
| | Journal (article/letter/editorial) | | silicicto
basic,but in the oresas well. For example,at La Joya (Fig. •),
enargite-tennantite
veinsoccurwith...•lntimony I?ei•zs.--Most
of the antimonydepositsof Bolivia
belongto this group. They havebeenformedat depthsranging...quartz with stibnitecrystals. A
vein at the Tarumita
mine near Caracollo north of Oruro contains
smallpocketsof...CryptobatholithicDeposits.
Condeauqui.
2mThis district, with its many mines,is uniquein
its mineral associations...dolomite,and in the La Bombaminescheelite
occurs
F•.
2. Map of the Huanuni district.
witha largeproportion | 👁 Image
| | Journal (article/letter/editorial) | | Metallogenetic Epochs and Provinces of Bolivia
The Tin-Province (Part I)
The Metallogenetic Provinces...the Altiplano (Part II)
F. A~LFELD
Cochabamba, Bolivia
Partf. An attempt is made to solve the relationships...formation of ore deposits using the Bolivian tin-province as an example. In the eastern Cordillera we are...old geotectonic zone of
weakness divides the tin district into two parts which differ from each other
in...tin-silver mineralization is discussed. Within the tin-province three metallogenic epochs are recognized, with | 👁 Image
| | Journal (article/letter/editorial) | |
(Clarket al., 1984).In contrast,
wolframite(ferberite) Intrusive rocks
is the major ore mineral exploitedat...40-km2plutonof intermediate
granitoid
rocks5
JudasTadeo mine (lat 15o34'54"S; long 70ø22'18"
W); itslithophi...itslithophilemetal-richquartzvein systemwould km westof the mine(Fig.2) isnamedhereafterCerro
be morecharacteristic...domain of the Cordillera Oriental
to
(Fig. 1).The mine,alsoknownasMilagrode SanJudas on its northwestmarginby...it cooledrapidlyand
mineralizedarea (Fig. 2). The mine is at an altitude Suet al., 1984), suggesting
size | 👁 Image
| | Journal (article/letter/editorial) | | Granitoid Environments: I. Relative
Solubilities of Ferberite and Scheelite as a Function of T, P, pH, and mNaCl...Experimentally derived thermodynamic data for scheelite, ferberite, aqueous Ca, Fe, and W species, and
other required...The simultaneous solubilities of scheelite and ferberite
in NaCl-HCl-H2O solutions were calculated at temperatures...following: (1) solubilities of scheelite and/or ferberite can attain values as high as hundreds to thousands...concentration in equilibrium with scheelite and ferberite increases strongly with increasing temperature | 👁 Image
| | Journal (article/letter/editorial) | | StableIsotope Studiesat the
Chicote TungstenDeposit, Bolivia
PETER G. THORN
Departmentof Geology,MarischalCollege...Paleozoic sediments of the eastern cordillera
of Bolivia. Kami
andAmutaraare ore depositssimilarto Chicote;they...cordillera of the central Andes, 170 km south-
eastofLa Paz, andformspart of the Boliviantin belt
(Fig. 1). The...plutonic-associated
mineralization of northern Bolivia and the volcanic- to
subvolcanic-associated mineralization...structuralfea- south traverse through the Chicote mine showsa
ture is parallelto the regionaltrend andhasbeen | 👁 Image
| | Report (issue) | | category ........
4, 5. Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...For each country having a tungsten deposit or district listed in the ISMI tungsten inventory...........also recovered from placer deposits.
Most current mine production of tungsten is from vein/
stockwork,...accounted
for over three-fourths of the world’s mine production of
tungsten. China alone produced about...wolframite ranges from the iron-rich variety, ferberite,
containing 60.5 percent tungsten, to the manganese-rich | 👁 Image
| | Book | | Mineralization in the Nigerian Younger Granite Province . . .
51
P. Bowden
Tourmalinization in Cornwall...Vokes
Hydrothermal Activity in the St Just Mining District, Cornwall, England. . . . . . . . . . . .
N.J...Tin-tantalum-niobium Pegmatites in the Masuku Area,
Southern Province, Zambia ......... . . . .............. . .......Mineralization and Fluid Inclusion Study of the Yod Nam Tim Mine, Southern
Thailand . . . . . . . . . . . . . . ...Boliviana Mayor de San Andres, Casilla 6548, La Paz,
Bolivia
F.M. VOKES
Geologisk Jnstitutt, Norges Tekniske | 👁 Image
| | Book (edition) | | Brazil, H
Page 2: Vivianite, I 00 mm, Huanzala, Bolivia, H
Page 3: Liddicoatite, polished, 70 mm, Anjanabonoina...Linopolis, Brazil, H
Page 13: Gold, 35 mm.Eagle's est Mine, California, G
Publi!>hed
by Grdllit.u.o.
Stefanikova43...expressed in abbreviations:
Rep. (republic), prov. (province), co. (county), munic.
(municipio), pref. (prefecture)...dept. (departement),
dept. (departamento), dist. (district). Less common
terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich
Katanga province was renamed Shaba by Mobutu, and
is now the Katanga | 👁 Image
| | Journal (issue) | | has gained considerable
favour in the Hamakna district of Hawaii, the farmers
there preferring it to...considerable loss (about
5 •5 per cent.) on ignition.
la order to determine whether any improvement
in strength...Central Provinces respectively ; in the Eastern
Province, instead of one large plantation, smaller ones...at two centres, viz. Appolonia in the Western Province
of the Colony, and Northern Ashanti.
The rice...establishment of an
experimental station in the district, and the propaganda
work which has been undertaken | 👁 Image
| | Book | | affects its present characteristics
as a minera1 province, because of the exposure of the
various depth...sills), if they
are exposed in outcrop or in the mine workings at all. The Climax Mo
complex is
the best...Batholith near Arequipa, Toquepala-Cerro Verde district;
in the
centre, Morococha
and in the north, Michiquillay)...known
(e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality
contains disseminated pyrite...and contains the principal Soviet
porphyry Cu-Mo province estimated to represent some 15 Mt Cu and 200
Tt | 👁 Image
| | Book | | affects
its present
characteristics
as a mineral province,
because of the exposure of the
various depth...
1
100m__
M
U
IV
200
-
11 pp ah ry tsii ac la l
300
400
500
600
.
1 )
O
o
\■
ω
1
LM
1...sills), if they
are exposed in outcrop or in the mine workings at all. The Climax Mo
complex is
the best...Batholith near Arequipa, Toquepala-Cerro Verde district;
in the
centre, Morococha
and in the north, Michiquillay)...known
(e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality
contains disseminated pyrite | 👁 Image
| | Journal (issue) | | to heiiifj installed on that of
the new Alather mine. In eonjunction with the Ward Leon¬
ard system,...the ele¬
ments. and thus the minerals
Solving a Mine
Mining
Lead
Tungsten
43
Problem
at Mascot,...Tennessee .
59
60
of Barytes in Georgia .
62
Mine, Shop, and Plant .
66
Useful Operating
69
Personals...gangue
in the concentrator of a tungsten mine near Chojlla, Bolivia.
Photo by Fenno Jacobs from Three Lions...belieA’e that, although
Avages are a factor in the mine manpoAver pi-oblem, too much emphasis is being placed | 👁 Image
| | Book | | is the minimum
grade at which it is worthwhile to mine a certain deposit.
Everything below it (low-grade...chalcopyrite
(brass) from the
Friedrich-Christian Mine in
Wildschapbach, Black Forest
(Germany) (photo...black
Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika...CuS (Fig. 1.4).
Fig. 1.5 Chalcocite from Mammoth Mine, Mount Isa-Cloncurry
Territory
(Queensland,
Australia)...Introduction
Fig. 1.6 Tetrahedrite from Wenzel Mine in Oberwolfach, Black
Forest (Germany) (photo © | 👁 Image
| | Journal (volume) | | reassembled in the mine. But
it was worth it! They have helped
Morton Salt’s Painesville, Ohio, mine
to step up...with 7 and 10 mm openings.
68
behind the grate
Mine planners forecast a comeback for dredges . . . Experts...have a busy future.
In the recently-opened Hamilton
Mine, there are 100 million tons of
coal to be dug out...around the world. 33 pp, 1968. . : $1.00
Sherman Mine—newest and most modern ore beneficiating
and agglomerating...
75
Gravity concentration—C. F. & |.’s Sunrise mine adopts heavymedia for lower grade iron ores. 4 pp |
|
