Results 111 to 120 of about 19,667 (226)

Characteristics of Treated Monazite in Different Particle Sizes to Upgrade the Rare Earth Elements Content by Using Mechanochemical and Roasting Processes

open access: yesInternational Journal of Technology
Rare earth metals (REE) constitute one of the most crucial groups of elements globally. In Indonesia, deposits of REE have been recognized within monazite minerals extracted from tin mining operations in Bangka.
Matthew Alexander Tjhia   +2 more
doaj   +1 more source

Age constraints on the evolution of the Quetico belt, Superior Province, Ontario [PDF]

open access: yes
Much attention has been focused on the nature of Archean tectonic processes and the extent to which they were different from modern rigid-plate tectonics.
Percival, J. A., Sullivan, R. W.
core   +1 more source

Radionuclides in Chesapeake Bay sediments [PDF]

open access: yes
Natural and manmade gamma-ray emitting radionuclides were measured in Chesapeake Bay sediments taken near the Calvert Cliffs Nuclear Power Plant site.
Cressy, P. J., Jr.
core   +1 more source

Thorium Valorization at the Interface of Technology, Risk, and Sustainability. [PDF]

open access: yesToxics
Man GT   +4 more
europepmc   +1 more source

Tectonism rather than "snowball Earth" glaciation is responsible for the Great Unconformity. [PDF]

open access: yesProc Natl Acad Sci U S A
Zhan RR   +11 more
europepmc   +1 more source

Melt reactions and timescales of melting in pelitic rocks-a case study from the Garhwal Himalaya. [PDF]

open access: yesContrib Mineral Petrol
Oldman CJ   +8 more
europepmc   +1 more source

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