Development of X-ray fluorescence technique for the uranium determination in Mongolian coal, coal ash, and phosphate ore [PDF]
The results of the determination of uranium in Mongolian brown coal, coal ash, phosphate rock, and technological samples by X-ray fluorescence (XRF) spectrometry are presented.
Bolortuya, D. +3 more
core +2 more sources
Phosphogenesis in the 2460 and 2728 million-year-old banded iron formations as evidence for biological cycling of phosphate in the early biosphere [PDF]
The banded iron formation deposited during the first 2 billion years of Earth's history holds the key to understanding the interplay between the geosphere and the early biosphere at large geological timescales.
Chan, LS, Li, Y, Sun, S
core +1 more source
Valorization of Phosphorus Secondary Raw Materials by Acidithiobacillus ferrooxidans
This paper presents the possibility of producing phosphorus fertilizers through Acidithiobacillus ferrooxidans utilization in secondary raw materials solubilization.
Małgorzata Wyciszkiewicz +3 more
doaj +1 more source
Utilization process research of the soap industry acid waste water with high carbonate phosphorite of central Kyzylkum [PDF]
In the study, the process neutralization acid waster water from soapstock processing by high calcareous phosphorite of Central Kyzylkum at temperature 60 ºC by drainless technology was investigated.
Shamuratov Sanzharbek +5 more
doaj +1 more source
Terminal Proterozoic cyanobacterial blooms and phosphogenesis documented by the Doushantuo granular phosphorites II: Microbial diversity and C isotopes [PDF]
An unprecedented period of phosphogenesis, along with massive deposition of black shales, major perturbations in the global carbon cycle and the rise of atmospheric oxygen, occurred in the terminal Proterozoic in the aftermath of the Marinoan glaciation.
Papineau, D, She, Z-B, Strother, P
core +1 more source
Occurrence of yttrium in the Zhijin phosphorus deposit in Guizhou Province, China
The Zhijin phosphorite (P)-bearing rare earth element (REE) deposit in Guizhou Province (China) hosts vast ore resources (P: 1.348 billion tonnes; REE: 1.44 Mt).
Chen Jiyan +3 more
doaj +1 more source
New observations of Ambient Inclusion Trails (AITs) and pyrite framboids in the Ediacaran Doushantuo Formation, South China [PDF]
Ambient Inclusion Trails (AITs) are intriguing microtubular structures that commonly occur in association with pyrite in Precambrian organic-rich cherts and phosphorites.
Li, C +7 more
core +1 more source
Intensification of technological processes in drilling and blasting operations during open-cut mining in Kyzylkum region [PDF]
Purpose. It is found that for long term standing, the pit bench profile is close to the boundary of the disturbed zone. Therefore, long stability of the bench can be estimated in respect to the size of the disturbed area and the boundary of residual ...
Karimov, Sh, Ravshanova, M, Zairov, Sh
core +1 more source
ON THE METHOD OF OBTAINING BORATELIC SUPERPHOSPHATE [PDF]
Under laboratory conditions, the effect of the amount of borate salt additive, norm and temperature of EPA on the yield and quality of the product was studied.
Zhanyl DZHANMULDAYEVA +3 more
doaj
Ediacara biota flourished in oligotrophic and bacterially dominated marine environments across Baltica. [PDF]
Middle-to-late Ediacaran (575-541 Ma) marine sedimentary rocks record the first appearance of macroscopic, multicellular body fossils, yet little is known about the environments and food sources that sustained this enigmatic fauna.
Bekker, Andrey +7 more
core +3 more sources

