2 edition of Granitoids and rare-element pegmatites of the Georgia Lake area, northwestern Ontario found in the catalog.
Granitoids and rare-element pegmatites of the Georgia Lake area, northwestern Ontario
B. Zayachkivsky
Published
in Thunder Bay
.
Written in
| Classifications | |
|---|---|
| LC Classifications | QE 462 P4Z3 1985 thesis |
| The Physical Object | |
| Pagination | 234 p. |
| Number of Pages | 234 |
| ID Numbers | |
| Open Library | OL22065218M |
Pegmatites at Lake George CO We checked out a new area last week at Lake George, but didn't believe we would find many crystals as the area was quite dug up. First thing we did was examine the debris from the older digs, since the diggings looked promising we gave it a try. granitoids • Most workers believe that the majority of granitoids are derived by crustal anatexis, but that the mantle may also be involved in the process. • The mantle contribution may range from being a source of heat for crustal anatexis to being the source of material as well. The effect of subducting a slab of continental crust.
Pegmatite is a very coarse-grained igneous rock. Simple pegmatites are composed of large crystals of ordinary minerals. Here is a sample of alkali feldspar granite pegmatite from Northern Norway which is composed of alkali feldspar (pink), quartz (gray) and biotite (black). Width of view 50 cm. The dimensions of the area are approximately (east west) by (north-south) miles-an area of about square miles. The Louisville and Nashville Railroad runs from 3;4 to 1;4 mile east of, and essentially parallel to, the western boundary of the area. All important communities are located along U. Size: 6MB.
ORIGIN AND CLASSIFICATION OF PEGMATITES (Concluded) KnNwBru K. LaNoes, University of Kansas. of simple pegmatites in the pegmatite area of southeastern Mani-toba. CrasstrtcarroN A. Acid, (alaskite, normal granite, alkaline granite, granodigrite, Adirondacksl2l and in northwestern Manitoba All of the complex acid pegmatites known to File Size: KB. Davidite; a review of Canadian occurrences, and report on a recent find at Kommes Lake, SaskatchewanCited by: 3.
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Granitoids of the immediate Georgia Lake area were investigated in conjunction with rare-element pegmatites to determine the character of the granitoids as parental intrusions to rare-element pegmatites.
The granitoids include two-mica leucogranites occurring as a large plutonic mass south of the pegmatite field and as smaller satellitic intrusions, the Kilgour Lake Group granitoids centered on a small gabbroic-metagabbroic unit near Kilgour Lake and tonalitic sills Author: Borys.
Zayachkivsky. Granitoids of the immediate Georgia Lake area were investigated in conjunction with rare-element pegmatites to determine the character of the granitoids as parental intrusions to rare-element pegmatites. The granitoids include two-mica leucogranites occurring as a large plutonic mass south of the pegmatite field and as smaller satellitic intrusions, the Kilgour Lake Group granitoids centered on a small gabbroic-metagabbroic unit near Kilgour Lake tonalitic sills.
Rare Element Pegmatites Ontario. in the Dryden area of northwestern Ontario, is a late-tectonic, subsolvus, peraluminous, S-type, collisional granite that features are unambiguous genetic.
This study marks the third consecutive regional investigation of mineralization associated with rare-element pegmatites and related S-type, peraluminous granites in the Superior Province of Ontario. Although the Georgia Lake pegmatite field within the Quetico Subprovince has witnessed a long period of exploration for various rare-elements and most notably lithium since its discovery in the mid.
The abundances of several important trace elements found in rare-element pegmatites are traced from their crustal sources (Mason and Moore, ), through to large granitic plutons (data from Macdonald et al., ), through to a rare-element pegmatite, represented by the bulk composition of the Tanco deposit (Stilling et al., ).
Thesis - Granitoids and Rare-Element Pegmatites of the Georgia Lake Area, Northwestern Ontario. Publication Number: Date: Author: Zayachivsky, B. Publisher Name: Lakehead University.
Thesis - The Petrography and Alteration of Some Spodumene Pegmatites near Beardmore, Ontario. Zayachkivsky B () Granitoids and rare-element pegmatites of the Georgia Lake area, northwest Ontario. M Sc Thesis, Lakehead Univ, Thunder Bay, Ontario Google Scholar Zou, Tianren, Yang, Yueqing, Guo, Yongquan, Ni, Yunxiang () China’s crust-and mantle-source pegmatites and their discriminating by: Zayachkivsky, B.
() Granitoids and Rare-Element Pegmatites of the Georgia Lake Area, Northwestern Ontario. thesis, Lakehead University, Thunder Bay, Ontario. Thesis on the Granitoids and Rare-Element Pegmatites of the Georgia Lake Area, Northwestern Ontario.
Three claims are staked by Steve and Jim Forbes plus John Rapski covering the historical Jackpot showing. Robert and W. Kornick staked claims over the Salo and Carrot Showings encompassing the Jackpot claim block of Forbes and.
Granitoids also have dark minerals, sometimes quite a lot and sometimes hardly any. Usually, feldspar-plus-quartz dominates, and geologists call granitoids felsic rocks in recognition of this. A true granite can be rather dark, but if you ignore the dark minerals and assess only the felsic component, it can still be properly : Andrew Alden.
The MNW pegmatite is a unique pegmatite of the Georgia Lake pegmatite field with respect to a strongly developed mineral zonation and a m core consisting predominantly of white spodumene intergrown with quartz.
Other known rare-metal pegmatites in the area contain a green iron-rich spodumene. The MNW pegmatite. —, & Branscombe, L.
(): Genesis of pegmatites in the Quetico Gneiss Belt of northwestern Ontario Granitoids,»barren«pegmatites and metasediments, with additional data on rare-element pegmatites, from the Georgia Lake pegmatite field. - by: The geological setting of pegmatites and the parental and cogenetic fertile granites worldwide range from Precambrian to Cenozoic.
The rare element pegmatites occur in orogenic belts in association with late- to post-tectonic granites and large regional faults in upper-greenschist- to lower-amphibolite-facies rocks postdating the peak of regional metamorphism.
The Georgia Lake rare-element pegmatite field and related S-type, peraluminous granites, Quetico Subprovince, north-central Ontario. Open File Report (). Sudbury, Canada: Ontario. B-0 Map of Paleozoic Area of Northwestern Georgia ( MB) B-0 Plate 1: Deaton (Couper) Iron Ore Pits, Polk County, Georgia ( KB) B-1 A Preliminary Report on the Marbles of Georgia.
A total of twenty fertile granites and their rare-element pegmatite aureoles was examined to correlate their tectonic position relative to the preceding orogenic event with their geochemical signature, namely Li, Rb, Cs, Be, Ga, Sn, NbTa, Y, Cited by: Applied Geochemistry, Vol.
7, pp. /92 $+ Printed in Great Britain Pergamon Press Ltd Geochemical and petrogenetic features of mineralization in rare- element granitic pegmatites in the light of current research P.
C~RN~C Department of Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada (Received 24 October ; accepted in revised Cited by: Alteration and fluid characterization of the Hamlin Lake IOCG occurrence, Northwestern Ontario, Canada Forslund, Nathan () The Hamlin Lake area is located approximately km southwest of Thunder Bay, Ontario, in the Shebandowan Greenstone Belt of the Wawa Subprovince in the Superior Province.
Vieirópolis Pegmatite Field, Northwest of Paraíba State, Brazil: New Occurrences of Amazonite Pegmatites. In Second Eugene E. Foord Pegmatite Symposium (p. 24). O'Grady Lake area Pezzotta, F. & Simmons, W.B.: Field Course on the Rare Element Pegmatites of cal Handbook and Field Trip guidebook. JunePaterson Lake Area ⓘ Marko’s pegmatite [Columbite-(Fe)] Tindle, A.G.
& Breaks, F.W. () Oxide minerals of the Separation Rapids rare-element granitic pegmatite group, northwestern Ontario. Canadian Mineralogist, 36. Granitic pegmatites - Volume 87 Issue - David London.
The primary focus of this review is on P-T conditions, mineralogical indicators of melt or fluid composition and textural evolution; lesser treatment is given to pegmatite sources or to pegmatite-wallrock interactions. Investigations of stable and radiogenic isotopes have revealed that the source materials for pegmatites are likely [email protected]{osti_, title = {ELEMENTS OF RARE EARTHS IN ACCESSORY MINERALS OF GRANITOIDS}, author = {Lyakhovich, V.V.}, abstractNote = {The distribution of rare earths in accessory minerals of granitoids, apatite, sphene, garnet, epidote, fluorite, zircon, orthite, monazite, and xenotime was studied.
The highest contents of rare-earth elements are typical of sphenes and fluorites.Geology and Geochronology of Granitoid and Metamorphic Rocks of Late Archean Age in Northwestern Wisconsin By P. K. SIMS, Z.
E. PETERMAN, R. E. ZARTMAN, and F. C. BENEDICT CONTRIBUTIONS TO THE GEOLOGY OF THE LAKE SUPERIOR REGION GEOLOGICAL SURVEY PROFESSIONAL PAPER C A description of Archean rocks in the Puritan batholithCited by: 7.
