Results 1 to 10 of about 99,347 (164)

Mineral chemistry and thermobarometry of Dorbeh diorite metamorphic aureole, south of Urmia [PDF]

پترولوژی, 2023
Hercynite-rich spinel is a typical mineral of both quartz-bearing and quartz-free metapelitic rocks that form under low-pressure high-temperature conditions in the granulite facies (Sengupta et al., 1991) or upper-amphibolite facies of regional and ...
Monir Modjarrad, Hadi Omrani
doaj   +1 more source

Separate deposition of metals from highly concentrated solutions with granulated magnesia-silicate reagent

Vestnik MGTU, 2021
Multi-stage deposition of metals from a sulfate solution with a high concentration of iron, aluminum, copper, zinc, and nickel has been studied. The concentrations of the components correspond to the composition of the sub-basement waters of the Gaisky ...
Kremenetskaya I. P. , Ivanova T. K., Gurevich B. I. , Novikov A. I., Semushin V. V.   +4 more
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Magma storage conditions beneath Krakatau, Indonesia: insight from geochemistry and rock magnetism studies

Frontiers in Earth Science, 2023
Understanding the evolution of magma storage conditions on volcanoes which have had more than one caldera-forming eruption (CFE) is important to know about past and present conditions, as a key to forecast future potential hazards.
Aditya Pratama, Aditya Pratama, Dini Nurfiani, Putu Billy Suryanata, Putu Billy Suryanata, Taufik Ismail, Taufik Ismail, Taufik Ismail, Gabriela Nogo Retnaningtyas Bunga Naen, Mirzam Abdurrachman, Mirzam Abdurrachman, Wilfridus Ferdinando Supriyadi Banggur, Nining Sumawati Asri, Ratika Benita Nareswari, Satria Bijaksana, Muhammad Hanif, Estu Kriswati, Idham Andri Kurniawan, Idham Andri Kurniawan, Nugroho Imam Setiawan   +19 more
doaj   +1 more source

Influence of Welding on the Dissolution of API- 5 L X60 in Simulated Soil Solution- Corrosion Protection by Phosphoric Compound- DFT Calculations [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2023
The present work aims to examine the susceptibility to soil corrosion of base metal (BM) and heat affected zone (HAZ) of API L5 X60 steel pipeline, and to assess the ability of Di-(2-ethylhexyl) phosphoric acid (D2EHPA) to inhibit the corrosion of the ...
Ouahiba Lahdiri, Farida Kellou Kerkouche, Brahim Idir   +2 more
doaj   +1 more source

Fluid inclusions, mineralogy and mineral chemistry of the porphyry-epithermal Sari Gunay epithermal ore deposit - the Kurdistan province

Journal of Economic Geology, 2021
Introduction The Sari Gunay veining and breccia epithermal gold mineralization is situated between the Urumieh-Dokhtar magmatic belts and the Sanandaj-Sirjan metamorphic zone in central-NW Iran.
Behzad Mehrabi , Majid Ghasemi Siani, Tayebeh Fazeli   +2 more
doaj   +1 more source

Aquamarine from Massangana batholith, Rondônia State: mineral chemistry and fluid inclusion data

REM: International Engineering Journal, 2020
Beryl is usually found in granite-pegmatite systems. The addition of chromophore elements (V, Cr, Mn, Fe) into the crystalline structure favors color changes in beryl and thus generates some of the world’s expensive gems such as emerald, morganite ...
Ingrid de Souza Hoyer, Valmir da Silva Souza, Beatriz Pereira Debowski   +2 more
doaj   +1 more source

Mineral chemistry and geothermobarometry of metabasites of the Majerad igneous-metamorphic complex (SE of Shahrood)

Journal of Economic Geology, 2020
Introduction Thermobarometric models based on the chemical equilibrium among coexisting mineral-mineral or mineral-melts pairs are useful tools widely used to estimate the P-T path and chemical evolution during igneous processes. The high sensitivity of
Marzieh Veiskarami, Mahmoud Sadeghian, Habibollah Ghasemi, Minggou Zhai   +3 more
doaj   +1 more source

Bio-Reclamation of Strategic and Energy Critical Metals from Secondary Resources

Metals, 2017
Metals with an average crustal abundance of <0.01 ppm, which are high in supply shortage due to soaring demand, can, under the excessive environmental risk and <1% recycling rate of their production, be termed as ‘critical’ in a limited geo ...
Sadia Ilyas, Min-Seuk Kim, Jae-Chun Lee, Asma Jabeen, Haq Nawaz Bhatti   +4 more
doaj   +1 more source

A Data Driven Approach to Investigate the Chemical Variability of Clinopyroxenes From the 2014–2015 Holuhraun–Bárdarbunga Eruption (Iceland)

Frontiers in Earth Science, 2020
The Holuhraun–Bárdarbunga (Iceland) eruption lasted approximately 6 months. Magma propagated laterally through a 40 km long dyke, while Bárdarbunga caldera was collapsing.
Luca Caricchi, Maurizio Petrelli, Eniko Bali, Tom Sheldrake, Laura Pioli, Laura Pioli, Guy Simpson   +6 more
doaj   +1 more source

Pierre-Jean Robiquet

Educación Química, 2018
Pierre-Jean Robiquet (1780-1840), a French pharmacist, made important contributions in the areas of mineral chemistry, mineral and vegetable pigments, and extractive and analytical chemistry.
Jaime Wisniak
doaj   +1 more source