Search
Search Results
-
Structural and luminescent characterisation of uraniferous fluorapatite and haematite associated with phosphatic rocks of the Bijawar group in Sagar District, Madhya Pradesh (India)
The structural and spectroscopic characteristics of phosphatic ferruginous shale samples from the Bijawar Group rocks from Sagar District of Madhya...
-
Silurian Black Smoker Deposits in the Urals
Abstract—The geological position and mineral composition of specific troilite–quartz rocks (klyuchevites) are considered. They form separate...
-
A Novel Solid Solution between Wagnerite and Arsenowagnerite
AbstractA novel solid solution between isostructural Mg arsenate and phosphate of the wagnerite group and a new As 5+ -rich variety of wagnerite were...
-
Composition and radioactivity of Oligocene fossil bones and their country rocks in Gabal Qatrani, Fayoum, Egypt
Several pieces of fossil bones of scute (scutum), shells, teeth, ribs, and vertebra belonging to turtle, crocodile, hippo, and other unidentified...
-
Endogenous Trypsin Triggers Free Fluoride Release from Antarctic Krill (Euphausia superba) Cuticle
During postmortem storage, fluoride in Antarctic krill can be enriched in the muscle. Trypsin, as the most important digestive enzyme in Antarctic...
-
Fluoride distribution, contamination, toxicological effects and remedial measures: a review
Fluoride is an essential element required in low concentration in the human diet, as it helps in the prevention of dental caries and strengthens the...
-
Mineralogical and geochemical behavior of heated natural carbonate-apatite of the Ypresian series, Maknassy-Mezzouna basin, central Tunisia
Ypresian phosphate deposits of the Meknassy-Mezzouna basin (central part of Tunisia) correspond to an alternation of thick phosphatic layers and...
-
Zircon-Based Comparative Geothermometry of the Adzh-Bogd Granitoid Pluton, Southern Mongolia
AbstractThe Adzh-Bogd pluton, that is located in the Transaltai Gobi area within the Hercynides of the Central Asian fold belt, is composed of rocks...
-
New Sr and Nd isotope data from phosphorites of the Maknassy-Mezzouna basin (Tunisia) and their geochronological and paleo-oceanographical implications
Paleocene–Eocene phosphorite beds from three major outcrops of the Maknassy-Mezzouna basin (Central-Tunisia) were geochemically investigated to...
-
Rare earth element signatures of Paleoproterozoic Sallopat phosphorites of Aravalli Basin, India: implications for diagenetic effects and depositional environment
As a repository of REE, the Paleoproterozoic phosphorite of the Aravalli Basin in India is explored time to time. Paleoproterozoic phosphorite...
-
Groundwater Contamination by Fluoride and Mitigation Measures for Sustainable Management of Groundwater in the Indo-Gangetic Plains of India
Groundwater contamination has escalated due to pressures from domestic activities, industrial operations, agricultural practices, and improper...
-
Rare-Earth Mineralization in Terrigenous Rocks of the Shatak Complex (Southern Urals): Species Diversity and Features of Chemical Composition
Abstract —The study of terrigenous rocks of the Shatak Complex, which includes rocks of the Kuz”elga and Karan subformations (Mashak Formation, Upper...
-
Rapakivi Granites and Associating Magmatism during the Aptian Development Phase of the Siberian Craton Active Continental Margin (Northeast Asia)
AbstractNew data on the U–Th–Pb geochronology, mineralogy, geochemistry, and Sm–Nd and Rb–Sr isotopes for granitoids and the associated subalkaline...
-
First LA–ICP–MS Apatite Fission-Track Ages from the Basement of the Siberian Platform (Nepa–Botuoba Anteclise)
AbstractThe first results of laser ablation inductively-coupled plasma mass-spectrometry apatite fission-track dating are presented from drill core...
-
The effect of type-B carbonate content on the elasticity of fluorapatite
The mechanical behavior of carbonate-bearing fluorapatite (CFAP) (with up to 5.5 wt% CO 3 ) was investigated at high pressure up to 7 GPa. The...
-
Timing and sources of skarn mineralization in the Canadian Tungsten Belt: revisiting the paragenesis, crystal chemistry and geochronology of apatite
Five generations of fluorapatite in mineralized skarn and host rocks from the Mactung W (Cu-Au) deposit, Northwest Territories, Canada, are...
-
Bone diagenesis of tetrapods from the Middle Triassic Tarjados Formation: implication for depositional environment and palaeoclimate
An understanding of the palaeoenvironmental and palaeoclimatic conditions that affects the preserved fossil record is a powerful tool aiding the...
-
The Inclusions in Zircon of the Kozhim Massif (The Subpolar Urals)
The study of zircon provides extensive information of a geological and petrographic nature. A detailed study of the inclusions of this mineral is...
-
Columbite–Tantalite of the Kester Deposit (Eastern Yakutia)
AbstractThree mineral types of the columbite group have been revealed at the Kester Deposit (Eastern Yakutia), that is, columbite-(Fe),...
-
Chapter 5. The Phosphorites of Khuvsgul as a Model Object
AbstractThe Khuvsgul phosphorites became the first model object of bacterial paleontology. During their study, techniques were developed for...
