Results 1 to 10 of about 837,373 (246)

Geology and geochemistry of ferromanganese nodules in the Japanese Exclusive Economic Zone around Minamitorishima Island

open access: diamondGEOCHEMICAL JOURNAL, 2016
Shiki Machida   +5 more
semanticscholar   +4 more sources

Osteopontin stabilization and collagen containment slows amorphous calcium phosphate transformation during human aortic valve leaflet calcification [PDF]

open access: yesScientific Reports
Calcification of aortic valve leaflets is a growing mortality threat for the 18 million human lives claimed globally each year by heart disease. Extensive research has focused on the cellular and molecular pathophysiology associated with calcification ...
Mayandi Sivaguru   +7 more
doaj   +2 more sources

Mechanisms of osteopontin-stabilized amorphous calcium phosphate calcification in benign and pre-malignant breast disease [PDF]

open access: yesScientific Reports
Mammographic calcifications are sentinel markers of ductal carcinoma in-situ (DCIS) with or without associated invasive breast cancer (IBC) but also occur in benign breast disease (BBD).
Mayandi Sivaguru   +7 more
doaj   +2 more sources

Combined effects of depositional and diagenetic processes on the distribution of rock types in the Lucia petrophysical classification system: A case study of the Dalan and Kangan formations [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2021
Upper Dalan and Kangan carbonate formations with Late Permian–Early Triassic ages are considered the main gas reservoir rocks in some Persian Gulf fields.
Neda Shakeri   +3 more
doaj   +1 more source

Ferromanganese nodules and micro-hardgrounds associated with the Cadiz Contourite Channel (NE Atlantic): Palaeoenvironmental records of fluid venting and bottom currents [PDF]

open access: yes, 2012
Ferromanganese nodule fields and hardgrounds have recently been discovered in the Cadiz Contourite Channel in the Gulf of Cadiz (850–1000 m). This channel is part of a large contourite depositional system generated by the Mediterranean Outflow Water ...
Abouchami   +159 more
core   +2 more sources

An assessment of bottom current controlled sedimentation in Pacific Ocean abyssal environments [PDF]

open access: yes, 2018
The effect of the circulation of polar-sourced dense waters on the deep seafloor is still largely unknown. This paper presents multibeam bathymetric evidence for the existence of present-day contourite drifts on the central Pacific ocean at depths ...
De Bruycker, Wouter   +2 more
core   +2 more sources

Elemental, isotopic, and geochronological variability in Mogollon-Datil volcanic province archaeological obsidian, southwestern USA: Solving issues of intersource discrimination [PDF]

open access: yes, 2017
Solving issues of intersource discrimination in archaeological obsidian is a recurring problem in geoarchaeological investigation, particularly since the number of known sources of archaeological obsidian worldwide has grown nearly exponentially in the ...
Morgan, L, Pyle, D, Shackley, MS
core   +1 more source

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