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| | Journal (issue) | | NEW ZEALAND
GROUNDWORK
On the Mineral Trail:
Portugal
IN ISSUE 111
DISCOVERY
Caves
Archibald Geikie...Pre-Cambrian
geology of northern Scotland.
Graphic granite,
Löllingite, Nosean,
Tellurium
GROUNDWORK
...
L U S GR
GRANOPHVRE1SA FINE-GRAINED FORM OF
GRANITE WHICH CONTAINS IRREGULAR CRYSTALS
OFINTERGROWN...reddish igneous rock. Its
name is a combination of `granite' (of which it is a form)
and `porphyry', the name...formations). It is particularly
associated with granite.
Outstanding deposits of granophyre may be seen | 👁 Image
| | Journal (article/letter/editorial) | | Republic
* Corresponding author
1
Crystallization of granite melts produced several textural types of granites...dykes of
volumetrically dominant muscovite–biotite granite (MBG) locally containing tourmaline nodules with...halos,
minor oval pods to dykes of tourmaline granite and veins of tourmaline pegmatite, both enclosed...grains randomly distributed within tourmaline granite and tourmaline–quartz accumulations with
leucocratic...leucocratic halos in the marginal part of granite dykes; (iii) rare columnar crystals of black tourmaline | 👁 Image
| | Journal (issue) | | Argentina - Argentina
GeoCommerce - Bulgaria
Geofil - Portugal
Geological Centre - Holland
Glacier Peak Art,...Fossils & Meteorites
Lapidary Journal
Leite, Luis - Portugal
Lelkes Andra s - Hungary
Lowe, Paul A. - England...form under
more limited conditions, primarily in granite-derived
pegmatites, greisens and rarer hydrothermal...termed A-type) magmas solidify at shallow depths
as granite, or less commonly erupt volcanically as rhyolite...above hot spots. The resulting small,
late-stage granite plutons are common in prominent rift zones such | 👁 Image
| | Report (issue) | | .............................................
Portugal...........................................
Spain...length that exposes the upwarped basement rock of
granite and gneiss.
In the Witwatersrand area, South Africa... France; and vein deposits of Spanish Meseta,
Portugal). Fluorite is a characteristic associate of uranium...and plugs, areas of fenitization, at
contacts of granite and schist near plutons (e.g., Mount Spokane
alaskite...and in late-stage differentiates
(e.g., Conway Granite of Triassic, Jurassic and Cretaceous age in
central | 👁 Image
| | Book | | reproduced or
used in any forn1 or by any n1eans-graphic, electronic, or
111echanical, including photocopying............................................. 52
Portugal ........... ... ................................first bill ion years; their concentrations in granite are
roughly IO and 30 pp1n, respectively.
In pri1nary...n1etazeunerite,
and phosphuranylite. ln1portant deposits in Portugal and
France are also examples of this type.
Alfassive...Carolina; the region between Sabugal and Guarda. Portugal;
and Salan1anca, Spain.
Carbonatites are n1agn1atic | 👁 Image
| | Book | | u11ounts only in brooks which run tlu·ough the
red granite formations of the Scottish I-Iighlands.
"And a...calcite, dolomite, and fluorite.
Rocks such as granite and limestone also have been observed to exhibit...or less ThO:!.; a0 < 5.47 A; fron1 pegn1atite, granite,
and syenite dikes; associated minerals are potash...298-319) : Lake Athabasca,
Canada; Urgeirica, Portugal; Coeur d'Alene, Idaho. ( c) Veins rich in fluorite...common in granitic pegn1atites as uraninite. In granite, Mafufu, Belgian Congo.
Descriptions of Radioactive | 👁 Image
| | Book (edition) | | Plagioclase
20.2 Spherulites, Granophyre, and Graphic Granite.
631
20.2.1 General Statement. . . . . .
631...4 Granophyric Intergrowths. . .
634
20.2.5 Graphic Granite. . . . . . .
20.3 Nepheline-Feldspar Intergrowths...a second homogenized sample
from the Margeride granite in the Massif central (Mergoil-Daniel and Chevalier...homogenized sample (12 hat 1173 K) from Margeride granite, French Massif Central (Mergoil-Daniel and Chevalier...a micrometer intergrowth
e-Plagioclase
93
graphic orientation. The period E of the superstructure | 👁 Image
| | Book | | 186
Pakistan 186
People's Republic of China 188
Portugal 189
Republic of South Africa 189
Saudi Arabia...cannot forget the 'Braganza' diamond or 'Regent
of Portugal'. The Braganza is not strictly a cut stone, only...Regent Joao VI. (Joao VI was Prince Regent in Portugal from 1792 to 1808, at
which time he and the royal...Heininger (eds), The Great Book of Jewels, New York Graphic Society, 1974 (pp 137-174)
JAHNS, R.H., 'The genesis...Heininger (eds), The
Great Book of Jewels, New York Graphic Society, 1974 (pp 201-240)
MAWE, JOHN, Travels | 👁 Image
| | Book (edition) | | three main groups of minerals (with distinguished graphic form):
a) valid mineral species: here we include...1.564(6) - Fraser R., all British Columbia, in Granite Mts., Wy1.084(7) - 1.052(9). Long-bladed, sometimes...35(10) - 2.07(9). Spear-like crystals in
Lisbon, Portugal. Columnar aggregates in ultrabasic aggregates...quartz crystals, all Spain. With scolecite In granite pegmatites in crystals to 2 cm in Valle di
and...= 16 %. Radioactive, weakly magnetic.
Rare in granite pegmatites, e.g. at Quadcville, Renfrew
co., Ontario | 👁 Image
| | Book | | The Nature and Origin of Granite JOIN US ON THE INTERNET VIA WWW, GOPHER, FTP OR EMAIL: WWW: http://www...Stoping in the Pativilca Pluton illustrated in the granite cliff of Uanachupan, Pativilca Valley, Ancash,...andesite engulfed in a coarse-grained , biotite granite. Roof of pluton seen far left in distance. Height..... ,,. -' ';!.;~ The Nature and Origin of Granite Second edition Wallace Spencer Pitcher Emeritus...ANSI/NISO Z39.48-1984 (Permanence of Paper). 'Granite is not a rock which was simple in its origin but | 👁 Image
| | Book | | reproduced
means
photocopying,
systems
or
graphic, electronic,
recording,
taping,
without written...124
Austria,
Germany,
76
Epilepsy,
Russia,
Portugal,
134
England,
134
United States and Canada... 339
France,
French
Beryl Disseminations in Granite,
339
439
Guiana, 442
German Democratic
X
Republic...Names of
Beryl, 611
Derivations of Names and
Portugal,
490
Republic
of South Africa,
Romania,
500...kept
Ball also
were.
given by King Pedro II of Portugal
was
an
emerald has been questioned from time | 👁 Image
| | Book (edition) | | 1981 the term
granites was added and the term granite-granodiorite family
was eliminated. Many specific...which had been
autoposted narrower terms under granite-granodiorite family,
were put under granites in...group, rock type,
mineral name (e.g. charcoal,
granite, metamorphic
rocks,
shells, sediments) ]
methods...active faults
BA faults
SA seismic gaps
mollisol
granite-granodiorite
ly(2).
Actinopterygii
Includes use...Alandroal
Town in S central part of country.
BT Evora
Portugal
Alanya
NT
NT
NT
Talkeetna Quadrangle
Trans-Alaska | 👁 Image
| | Book (edition) | | same Indexer Note applies to all level 1 geo¬
graphic Terms, e.g.:
Oklahoma
IN Includes use on level...example:
Devonian
NT Acadian Phase
NT Ackley Granite
NT Barre Granite
NT Cedar City Formation
etc.
Paleozoic...stony irons
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
Ackley Granite
Term introduced in 1989. S New¬
foundland.
BT Devonian...use Aland
Alandroal
Town in S central Portugal.
BT Evora
BT Portugal
alanine
Term introduced in 1989.
BA...Alentejo
Former province in central and S
Portugal.
BT Portugal
Ales
City in S France.
UF Alais
BT Card | 👁 Image
| | Book (volume) | | with smaller crystals of scapolite (Garmo, 2000).
PORTUGAL
Montijos quarry, Monte Redondo, Leiria Estremadura...specimens
emerged from diggings on the ridge of alkali granite called Tor
Ghar ("Black Mountain"), very near the...Hill area, Topsham, Sagadahoc County. Complex
granite pegmatites which crop out on Standpipe Hill, east...south of a domelike exposure of intrusive biotite granite which
has weathered so deeply as to form deposits...collected-were found in a
30 X 30 x 75-cm cleft in granite gneiss opened during construction
work near the | 👁 Image
| | Book | | alkali feldspar from a large phenocryst in the Shap granite,
northern England, lightly etched in HF vapour... Universidade de Coimbra, 3049
Coimbra codex, Portugal
52
Nekvasil, Hanna (Invited Lecturer)
Department...perthite and lamellar perthite in the Storm King granite,
New York, U.S.A. (Yund and Ackermand, 1979), (d)...progressive metamorphism of the Scituate hypersolvus granite, Rhode Island, U.S.A.
(Day and VM Brown, 1980)...K-rich phase of perthites from the
peraluminous granite from California seems to be consistent with either | 👁 Image
| | Journal (volume) | | quartz, feldspar and mica
can all be extracted from granite rock.
There are some rocks from which minerals...aftermath of
volcanic activity. Igneous
rocks such as granite and
pegmatite, formed in the
depths of the Earth...Crystals that occur in rocks,
such as feldspar in granite, grow within the molten
magma as it solidifies...
Excellent specimens can be found at Sabugal,
Portugal , and Cuneo in Italy. It is also found in the...DISTRIBUTION
C
0
....,
Topaz occurs typically in granite rocks , and in
association with quartz. The richest | 👁 Image
| | Report (issue) | | lithium-cesium-tantalum pegmatites around a parental granite pluton.......................... K10
Conceptual...rare-metalbearing pegmatite zoning above a parental granite..................................................hydrothermal mineralized
granite cupola showing salient features of a shallow granite-related
tin-mineralized...Technology Initiative
AFRG
alkali-feldspar rhyolite-granite
AIDS
acquired immunodeficiency syndrome
AMD...D.F., eds.,
Recent advances in the geology of granite-related mineral
deposits: Canadian Institute of | 👁 Image
| | Book (edition) | | enriched
with increasing differentiation of the granite; hafnian
zircon has been reported from pegmatites...hafnium members of the zirconhafnon series from the
granite pegmatites of Zambezia. Contributions to Mineralogy... but may form large welldeveloped crystals in granite pegmatites and particularly
in those of nepheline...closely similar throughout a body of
magmatic granite, and it has been suggested that lack of
such a...igneous rocks, spessartine is
found mainly in granite pegmatites and aplites (e.g.
Table 5, analysis | 👁 Image
| | Book (edition) | | listed in Table 5.
TaBLe 5 - GeEoLocic Bopies
Granite pegmatites, including their oxidized and/or hydrothermally...anisotropic. Eastern Transbaikal, Russia, in albitized granite
in association with native lead. BM AM 52:299(1967)...6-66.3 (540 nm). Occurs in hydrothermal veins and granite pegmatites. Ophir mine, Comstock Lode, NV; Bernic...reported in small amounts as a primary
constituent of granite and in pegmatites. It is often found in contact-metamorphic...Chizeuil, Saone-etLoire, France; Neves-Corvo, Portugal; Khayragatsch deposit, Kuramin
Mts., Uzbekistan; |
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