Results 21 to 30 of about 801 (184)

P-T path fluid evolution in the Gross Spitzkoppe granite stock, Namibia [PDF]

Bulletin of the Geological Society of Finland, 2002
The Gross Spitzkoppe granite stock (GSS) is a zoned 30 km2 epizonal intrusion that consists of three main granites: 1) medium-grained biotite granite (marginal), 2) a coarse-grained biotite granite, and 3) a central, porphyritic granite.
S. Frindt, M. Poutiainen
doaj   +1 more source

A method for locating ore bodies by geochemical indexes of pegmatite-type lithium deposits in the Ke'eryin area, western Sichuan, China

Dizhi lixue xuebao, 2022
The Ke'eryin area in Sichuan province is one of the large rare metal ore concentration areas in the Songpan–Garze metallogenic belt. Numerous granite pegmatite dikes spread around the Ke'eryin mass.
TANG Wenchun, DUAN Wei, ZOU Lin, YANG Guibing, ZHANG Wei, XIONG Guan   +5 more
doaj   +1 more source

U-Pb ISOTOPES GEOCHRONOLOGY BY MONAZITE OF GRANITOIDS OF KRYNYCHUVATSKY MASSIVE (INGUL MEGABLOCK OF THE UKRAINIAN SHIELD)

Геологія і корисні копалини Світового океану, 2023
Pegmatite (sample 13/10) exposed in the valley of the Berezivka River (Krynychuvatka village) was studied and its isotopic age was determined by monazite.
Stepanyuk L.M., Vysotsky O.B., Kurylo S.I., Dovbush T.I., Kovalenko N.O.   +4 more
doaj   +1 more source

Pegmatite and Fault Spatial Distribution Patterns in Kalba-Narym Zone, East Kazakhstan: Integrated Field Observation, GIS, and Remote Sensing Analysis

Geosciences
This study is an attempt to compile and complete structural features of the Kalba-Narym Zone in East Kazakhstan belonging to the western Central Asian Orogenic Belt, which is known to be well-endowed with the occurrence of pegmatite rare-metal ...
Azam Soltani Dehnavi, Syed Muzyan Shahzad, Piotr Skrzypacz, Fereshteh Shabani-Sefiddashti   +3 more
doaj   +1 more source

Lithium Anomaly Zone for the Bakennoye Pegmatite, Kazakhstan [PDF]

Geo Data
The Bakennoye deposit is one of the rare-element pegmatite deposits distributed around the Kalba igneous body of the Altai orogenic belt, which was created by the collision of the Siberian and Kazakhstan plates.
Chulho Heo, Ilhwan Oh, Sangjun Pak
doaj   +1 more source

Age and petrogenesis of the beryl-bearing granitic magmatism of the Velasco Pegmatite District, Pampeana Province, NW Argentina

Brazilian Journal of Geology, 2021
Two porphyritic granitoids (Huaco and Sanagasta) in the Velasco district of the Pampeana Pegmatite Province in Northwestern Argentina are recognized. They are considered the fertile granites of the beryl-bearing pegmatites and can be described as post ...
Fernando Guillermo Sardi, Silvana Marangone, José Manuel Fuenlabrada   +2 more
doaj   +1 more source

Metallogenetic Age and Genesis of the Redamen Granitic Pegmatite-type Lithium Deposit in the Ke’eryin Orefield, Western Sichuan

Donghua Ligong Daxue Xuebao. Ziran Kexue Ban
[Objective] The Redamen deposit is a newly discovered medium-size granitic pegmatite-type lithium deposit in the Ke'eryin orefield of the western Sichuan in recent years. Studies on this deposit are still insufficient.
LUO Wei, ZHANG Wei, ZOU Lin, DUAN Wei, FAN Yingwu, LI Xiaosong, YANG Yongsheng   +6 more
doaj   +1 more source

Evaluation of Saudi pegmatite and its use in porcelain industry [PDF]

Processing and Application of Ceramics, 2012
Pegmatite is the main source of feldspar for ceramics industry. Usage of pegmatite in ceramic industry causes some problems due to the presence of mica and iron oxides.
Hassan M.H. Al-Marzouki, Christopher Jeffery, Gamal A. Khater   +2 more
doaj  

Mapeamento geológico do Pegmatito Alto do Tibiri: aspectos estruturais e mineralógicos

Revista Principia, 2017
The Alto Tibiri is a pegmatite body located in the southern region of the Rio Grande do Norte, in Parelhas city, geologically inserted in the Borborema Pegmatite Province and occur intruding the mica schists of the Seridó Formation.
Paulo Jedean da Silva Araújo, Vinicius Anselmo Carvalho Lisboa, José Ramilson dos Santos Oliveira   +2 more
doaj   +1 more source

Research advances on rare metal pegmatite deposits

地质科技通报, 2021
The pegmatite deposit is one of the most important types of rare metal deposits in the world, and it is also one of the most popular interests in the international deposit research.Significant advances have been made in the latest decades, including the ...
Zilong Ran, Yanjun Li
doaj   +1 more source