Results 11 to 20 of about 664 (135)

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+1 more source

METASOMATIC AND MAGMATIC PROCESSES IN THE MANTLE LITHOSPHERE OF THE BIREKTE TERRAIN OF THE SIBERIAN CRATON AND THEIR EFFECT ON THE LITHOSPHERE EVOLUTION

open access: yesГеодинамика и тектонофизика, 2015
The area of studies covers the north-eastern part of the Siberian craton (the Birekte terrain), Russia. The influence of metasomatic and magmatic processes on the mantle lithosphere is studied based on results of analyses of phlogopite- and phlogopite ...
Lidia V. Solov’eva   +5 more
doaj   +1 more source

Phlogopite-Olivine Nephelinites Erupted During Early Stage Rifting, North Tanzanian Divergence

open access: yesFrontiers in Earth Science, 2020
The North Tanzanian Divergence (NTD, eastern branch of the East African Rift) corresponds to an early stage of continental breakup. In the southern NTD, two quaternary volcanoes of the Manyara-Balangida rift (Labait, Kwaraha) have erupted primary ...
Céline Baudouin, Fleurice Parat
doaj   +1 more source

Particle size and kind of mica in synthesis of nontoxic bronze and gold pearlescent pigments based on nanoencapsulated hematite [PDF]

open access: yesJournal of Ultrafine Grained and Nanostructured Materials, 2015
Nano-encapsulated iron oxide in Zirconium oxide-coated mica pigments are thermally stable,innocuous to human health, non-combustible, and they do not conduct electricity.
Maryam Hosseini-Zori
doaj   +1 more source

Geology and Geochemistry of the Early Proterozoic Kortejärvi and Laivajoki Carbonatites, Central Fennoscandian Shield, Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1997
This paper provides for the first time extensive petrological, mineralogical and geochemical data on the early Proterozoic Kortejärvi and Laivajoki carbonatites, northern Finland, which form metamorphosed and highly strained bodies 2 and 4 km long within
J. Nykänen, K. Laajoki, J. Karhu
doaj   +1 more source

Experimental simulation study on the surface weathering of phlogopite in Yuli, Xinjiang

open access: yes四川大学学报. 自然科学版, 2022
The surface weathering environment of phlogopite vermiculization was simulated under atmospheric pressure, the transformation process from phlogopite crystal layer to vermiculite crystal layer was discussed, and the effects of mixed solutions under ...
ZHANG Qi   +5 more
doaj  

Two generations of scapolite at Snezhnoe ruby deposit, Central Pamir

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2017
At Snezhnoe ruby deposit, localized in the eastern part of the tectonic zone of Central Pamir, two generations of sсapolite have been discovered by the textural and structural features.
A. K. Litvinenko   +2 more
doaj   +1 more source

ZONATION OF PHLOGOPITE OF CARBONATITE-PEGMATITES OF THE BULDYM DEPOSIT OF THE VISHNEVYE MOUNTAINS (SOUTH URALS) [PDF]

open access: yesМинералогия, 2017
In a plate 19 cm in size from the columnar crystal of phlogopite Buldym deposit in the Southern Urals, we studied the composition of alternating greenish-brown, yellowish-brown and darker brown areas by electron-probe microanalysis.
V.I. Popova   +3 more
doaj  

A boulder of Ouachitite from Inderskär, Åland Islands, Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1975
The ouachitite is composed of phenocrysts of olivine, diopside, phlogopite, set in a fine-grained matrix with phlogopite, clinopyroxene, ore and calcite. Analyses of the rock and of several minerals are given. It is concluded that the boulder most likely
P. Kresten, N. Edelman
doaj   +1 more source

Petrogenesis of phlogopite-pyroxenite from Southern India: Implications for the link between Proterozoic subduction- to rift-related arc magmatism

open access: yesGeosystems and Geoenvironment, 2022
In this study, we investigate phlogopite-rich pyroxenite from a major terrain boundary, i.e., the interface of Nallamalai Fold Belt and Nellore schist belt, in southern India.
Tushar Meshram   +5 more
doaj   +1 more source

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