👁 Image
| | Journal (article/letter/editorial) | | The mafic mineralogy of the Pandë massif,
Tikar plain, Cameroon: implications for a peralkaline
affinity...ABSTR ACT
The Pandé massif is a small (4.963.4 km) subvolcanic complex of the Cameroon Line striking W ...and intrudes a Panafrican granite basement. It comprises a syenite-granite suite, where coarse- to finegrained...voluminous Mayo Darlé granite bodies crystallized.
K EY WORDS : Plutono-volcanism, Pandé, Tikar plain, Cameroon...Cameroon Line, syenite-granite, trachyte-rhyolite,
amphiboles, clinopyroxenes, peralkaline af nity.
| 👁 Image
| | Journal (article/letter/editorial) | | feldspar granite. (B) Arfvedsonite megacryst among quartz crystals in foliated alkali
feldspar granite. Neptunite...note inclusions of fluorite and quartz in the core region. (C) Arfvedsonite crystals interstitial to quartz...close to rim
zones in deformed alkali feldspar granite. (E) Ferrorichterite crystals interstitial to quartz...and alkali-feldspar in massive alkali feldspar granite; note small quartz and zircon inclusions
and replacement...ferrorichterite crystal in massive alkali feldspar granite; note quartz and zircon inclusions.
(G) Fibrous | 👁 Image
| Kanouo, Nguo Sylvestre, Yongue, Rose Fouateu, Ekomane, Emile, Njonfang, Emmanuel, Ma, Changqian, Lentz, David R., She, Zhenbing, Zaw, Khin, Venkatesh, Akella Satya (2015) U-Pb Ages for Zircon Grains from Nsanaragati Alluvial Gem Placers: Its Correlation to the Source Rocks. Resource Geology, 65 (2) 103-121 doi:10.1111/rge.12063 | Journal (article/letter/editorial) | | Yaoundé I, Yaoundé, Cameroon, 3Higher Institute of Chemistry and Management, Yaoundé, Cameroon, 4Higher Teachers...Training School, University of Yaoundé I, Yaoundé, Cameroon, 5Department of Earth Sciences, University of...Abstract The Mamfe Basin is located in the SW of Cameroon and is an extension of the much bigger Benue Trough...from the Benue Trough in the West and from the Cameroon Volcanic Line (CVL) in the SE of the study area...basement of the Mamfe basin. Keywords: Benue Trough, Cameroon Volcanic Line, detrital zircon, geochronology | 👁 Image
| | Journal (article/letter/editorial) | | 1984); 4 — Mulanje (Platt and
Woolley, 1986); 5 — Pandé (Njonfang and Moreau, 2000); 6 —
Puklen (Marks et...(Alkaline series 2); bar corresponds to 150 μm. Plain-polarized light in all photomicrographs.
Selected...illustrated in (a) and (b); bar corresponds to 450 μm. Plain-polarized light.
kind are characteristic of the...origin of
gabbro–anorthosite–syenite–potassic granite suite. Precambrian
Research 2, 97–160.
Bastin,...hydrothermal processes in a peralkaline
syenite–alkali granite complex based on textures, phase equilibria,
and | 👁 Image
| Vásquez, Paulina, Glodny, Johannes, Franz, Gerhard, Romer, Rolf L., Gerdes, Axel (2009) Origin of fayalite granitoids: New insights from the Cobquecura Pluton, Chile, and its metapelitic xenoliths. Lithos, 110 (1) 181-198 doi:10.1016/j.lithos.2009.01.001 | Journal (article/letter/editorial) | | composition of the lower crust of the
forearc in this region. Triassic granitoids with minor gabbros occur as...that the Triassic magmatism in today's forearc region could have been
generated in a suprasubduction...Gondwana. The
major rock types are gabbro and granite, and less commonly hybrid
rocks. A peculiarity... The arrows show the localities with fayalite granite.
184
P. Vásquez et al. / Lithos 110 (2009) 181–198...Gabbronorite
Fa-granite
Fa-granite
gabbro
gabbro
Fa-free granite
microgabbro
microgabbro
granite
monzogabbro | 👁 Image
| | Report (issue) | | Hanley, Terry M. Seward, and Frederik Reutten
9. Cameroon Line alkaline magmatism (central Africa): A reappraisal...fingerprints of mantle metasomatism beneath Nyos volcano
(Cameroon volcanic line) . . . . . . . . . . . . . . . ...14. New 40Ar-39Ar ages and petrogenesis of the Massif d’Ambre volcano,
northern Madagascar . . . . ....propagation into the southern Tyrrhenian
backarc region. . . . . . . . . . . . . . . . . . . . . . . ....among the volcanic provinces of the Saharan zone, Cameroon volcanic line, Angola and Namibia, and the East |
|