Facies dependence of the mineralogy and geochemistry of altered volcanic ash beds: an example from Permian-Triassic transition strata in southwestern China
Factors controlling variations in the clay mineralogy and geochemical composition of
volcanic ash beds deposited in different types of depositional environments remain …
volcanic ash beds deposited in different types of depositional environments remain …
Evaluation of the medicinal use of clay minerals as antibacterial agents
LB Williams, SE Haydel - International geology review, 2010 - Taylor & Francis
Natural clays have been used to heal skin infections since the earliest recorded history.
Recently, our attention was drawn to a clinical use of French green clay (rich in Fe‐smectite) …
Recently, our attention was drawn to a clinical use of French green clay (rich in Fe‐smectite) …
An experimental study of the solubility and speciation of niobium in fluoride-bearing aqueous solutions at elevated temperature
The solubility of Nb 2 O 5 and the speciation of niobium in HF-bearing aqueous solutions
have been determined at temperatures of 150, 200, and 250° C and saturated water …
have been determined at temperatures of 150, 200, and 250° C and saturated water …
Geological aspects and genesis of bentonites
GE Christidis, WD Huff - Elements, 2009 - pubs.geoscienceworld.org
Bentonites are clay rocks consisting predominantly of smectite. They form mainly from
alteration of pyroclastic and/or volcaniclastic rocks. Extensive deposits, linked to large …
alteration of pyroclastic and/or volcaniclastic rocks. Extensive deposits, linked to large …
[HTML][HTML] Geotectonic settings of Variscan explosive volcanism in the light of Famennian tuffites provenance from southern Poland
A Pisarzowska, M Paszkowski, K Kołtonik… - Earth-Science …, 2022 - Elsevier
Pyroclastic horizons are common in the middle–upper Famennian carbonate and siliceous
successions located near the Rhenohercynian margins of Laurussia and the Variscian …
successions located near the Rhenohercynian margins of Laurussia and the Variscian …
Physical and chemical properties of some bentonite deposits of Kimolos Island, Greece
GE Christidis - Applied Clay Science, 1998 - Elsevier
Bentonite deposits of Kimolos Island, Aegean, Greece were investigated in order to
determine their physical and chemical properties. Testing included measurement of CEC …
determine their physical and chemical properties. Testing included measurement of CEC …
The signature of river-and wind-borne materials exported from Patagonia to the southern latitudes: a view from REEs and implications for paleoclimatic interpretations
Riverine and wind-borne materials transferred from Patagonia to the SW Atlantic exhibit a
homogeneous rare earth element (REE) signature. They match well with the REE …
homogeneous rare earth element (REE) signature. They match well with the REE …
Industrial clays
GE Christidis - 2010 - pubs.geoscienceworld.org
Clays have been used by man since prehistoric times. Initially they were used almost
exclusively in the fabrication of ceramics; nowadays they find numerous industrial and …
exclusively in the fabrication of ceramics; nowadays they find numerous industrial and …
Volcanic sources and diagenetic alteration of Permian–Triassic boundary K-bentonites in Guizhou Province, South China
Abstract Terrestrial Permian–Triassic boundary (PTB) sequences in South China usually
contain one to three ash beds (K-bentonites), which provide evidence of a possible trigger …
contain one to three ash beds (K-bentonites), which provide evidence of a possible trigger …
Integrated approach for geothermal exploration: Case study from Salar area (Afyonkarahisar, Turkey)
The intense investment demand in the geothermal sector in Afyonkarahisar province in
recent years has enabled the utilization of geothermal waters such as district heating and …
recent years has enabled the utilization of geothermal waters such as district heating and …