 | | Journal (article/letter/editorial) |
| Petrogenesis of Neoproterozoic rare metal granite-pegmatite suite in Jiangnan Orogen and its implications...Petrogenesis of Neoproterozoic rare metal granite-pegmatite suite in Jiangnan Orogen and its implications... Petrogenesis of Neoproterozoic rare metal granite-pegmatite suite in Jiangnan Orogen and its implications...granitoids, lacks the equivalent amount granitic pegmatite. In this study, the geology, mineralogy, whole-rock...petrogenesis of the granite and pegmatite and the source relationship of the pegmatite with the Paleozoic and |
 | | Journal (article/letter/editorial) |
| earth minerals are associated in 19 oi the 22 pegmatite districts in North America from which fluorite...Colorado, and to compare the group with other pegmatite districts. The writer examined the deposits during...deservesspecial thanks for his generousassistance. The pegmatite bodies are in southwestern Fremont County and...referenceis made, is shown in Fig. 1. Although the Yard pegmatite Iocality has been known to mineral collectors...writer could find no description of any of the deposits in the literature. The pegmatite areas are underlain |
 | | Report (issue) |
| ___________________ Gneissic pegmatites of the Bear Mountain area- Page 343 344 345 345 345 347 347 347 347 348 349...Peak dome.__ _______________________ Spring Creek area--------------------------Minor structures __ _ ...omic geology ____-.___________-____-_-_----_ Pegmatite deposits..---------------------------Mica____...altered to muscovite._-____-_-_-__----_--____-_____-__ Photograph of boudinage structure in pegmatite.____...to crosscutting foliation in the Graveyard Gulch area.________----__--_-_-______ Sketch of foliation |
 | | Book |
| / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland with Gamsberg...The Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits...the southern Atlantic Ocean, is at first glance by no means a paradise. However, the harsh Namibian environment...vicinity of the wellknown Spitzkuppe.Onceagain in this area excellent outcrops assistin the searchfor topaz...glance • The localities are arranged from North by no means a paradise. However, the to South. harsh |
 | | Report (issue) |
| Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...______________________________________ _ Location of pegmatite districts ___________________ _ Previous work...Acknowledgments ______________________________ _ History of pegmatite mining inN ew England _______ _ Mica mining _...deposits _______________________ _ Geology of the pegmatite districts of Maine __ :. . _____ _ Metamorphic...________________________________ _ Geology of the pegmatite districts of New Hampshire_ Rock units ______ |
