 | | Journal (article/letter/editorial) | | CLASSIC PEGMATITE OCCURRENCES IN
Delaware County,
Pennsylvania
JOSEPH J . PETERS
Department of Mineral...Pennsylvania, near Philadelphia
(Figure 1). The quarries were opened shortly after the War
of Independence...outstanding specimens:
Leiper's Upper and Lower Avondale quarries, Avondale;
Leiper's quarry, Springfield Township;...Pennsylvania showing location of Delnware County. The quarries are located within the rectangu
lar box (see Figure...Ownership
Thomas Leiper (Figure 3), owner of the quarries at
Springfield and Avondale, was born in Strathaven |  | | Book (edition) | | of the Tilly Foster Mine . .
The Branchville Pegmatite.............................
On the Luminescent...consequently, the texture of the pegmatite is
much coarser. In a very coarse pegmatite a small crystal
of one mineral...difference
in crystal size that characterizes the pegmatite.
Pegmatites are thought to have been formed deep...bending
it around the ends of the pegmatite; consequently, the
pegmatite assumes either a lense-shaped structure...Pegmatitic
contacts are often times distinct where the pegmatite
meets the mica schist: If the pegmatitic intrusion |  | | Book (volume) | | pans. Many other gem crystal species occur in pegmatite exposures, such as
Aquamarine, Beryl, some Ruby-red...areaAlmandite garnet; (g) harmony Church, area pegmatite
outcropsBeryl; (h) Hickory Flat, 2 mi. NE on...mi. region surrounding this town contains many
pegmatite dike minesMica minerals, Quartz crystals, Aquamarine...COUNTY
smoky).
ATLANTA, Emory University, area pegmatite outcropsQuartz crystals (clear,
BARNESVILLE...Stone Mt.), areaQuartz
crystals.
LITHONIA: area quarriesCalcite, Epidote, Fluorite, Garnet, Thulite,
Tourmaline |  | | Book (volume) | | California, is arguably the most important gem-pegmatite district in North America. Its wealth of
tourmalines...to any from Madagascar, Afghanistan, Russia, or
Brazil. Certainly, only the best Maine gemstones are in...cassiterite crystals
of Resplendor, Minas Gerais, Brazil, better than those from the
Harvard quarry in Greenwood...morganites of Cerro de
Urucum, Galileia, Minas Gerais, Brazil or from the Pala Chief
mine, Pala, California,...concern specimens from Mount Apatite. There are
many quarries on this hill but most collectors, unaware of this |  | | Book (volume) | | City Geode Location
WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and
streams...area⎯tripoli.
VERMILION COUNTY
DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils.
WILL COUNTY
LEMONT, area quarries⎯glistening Quartz replacement fossils.
WILMINGTON, regional...Pyrite, Selenite and Sphalerite. Regional
limestone quarries produce some gemmy Apatite, Calcite, Glauconite...Siderite can also be found in
regional limestone quarries.
ALLEN COUNTY
FORT WAYNE: c area farms, as glacial |  | | Book (volume) | | City Geode Location
WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and
streams...area⎯tripoli.
VERMILION COUNTY
DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils.
WILL COUNTY
LEMONT, area quarries⎯glistening Quartz replacement fossils.
WILMINGTON, regional...Pyrite, Selenite and Sphalerite. Regional
limestone quarries produce some gemmy Apatite, Calcite, Glauconite...Siderite can also be found in
regional limestone quarries.
ALLEN COUNTY
FORT WAYNE: c area farms, as glacial |  | | Book | | Rocks; Minerals Found in
Igneous Rocks; Granite Pegmatite Gems and Minerals; Hydrothermal
Mineral Deposits;...delving beneath the surface or looking into nearby quarries,
road cuts, and bluffs beyond the immediate boundaries...-.
... ' ,
•
--
Jay Ellis Ransom
.
RocK QUARRIES. The best place f-:)f hunting minerals, crystals...find throughout the region, especially in the pegmatite
intrusions (dikes) of New England, New Jersey...to produce veins, stringers, ore bodies, and pegmatite dikes
( when later erosion has exposed such filled |  | | Book (volume) | | Perry . ......................... 129
The New1y Quarries .......................................................... 315
Duane L. Leavitt
The Bennett Pegmatite, Oxford County, Maine . ........................first visit to the tourmaline-bearing granite
pegmatite at Mount Mica in 1952 and Gene eventually completed...thesis on the famous tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California....where, through a translator, he was advising pegmatite miners about recovering useful minerals and began |  | | Report (issue) | | lnstituto Brasileiro de Geografia.
Rio de Janeiro, Brazil.
Boston Soc. Civil Engineers Jour. Boston, Mass...Radcliffe, Dennis. Geology of the Oxford beryl pegmatite
mine, Troup County, Georgia [abs.]: Georgia Acad...08230
Banks, Harold H., Jr.; Melson, William G. Saponite from the Mid-Atlantic Ridge,
Iat 22° N. [ abs... Mineral deposits
of the central Connecticut pegmatite district, Trip F-6 in Guidebook for field trips...Conserv. Cong., I st, Sao Paulo. Brazil, 1966, Proc.: Sao Paulo, Brazil, Sao Paulo
Ministerio da Agricultura |  | | Book | | quartzofeldspathic gneiss, schist, amphibolite and pegmatite, with the ore minerals
(davidite-brannerite-uraninite)...fertilizer surveys as that of Smidt et al. (2011a) in Brazil. Here,
the mean P2O5, Cd and U content was 30.1%...They are intruded by numerous dikes of granite, pegmatite and aplite,
which is well observable in Kamenne...Both localities belong to numerous Pisek pegmatite
quarries, which were mined for feldspar and rose quartz...(2010) Younger postectonic monazite in the Pisek pegmatite.
J S Boh Mus Ces Bud Nat Sci 50: 26
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