Results 131 to 140 of about 924 (220)

Oxygen isotope (δ¹⁸O, Δ'¹⁷O) insights into continental mantle evolution since the Archean. [PDF]

Nat Commun, 2022
Bindeman IN, Ionov DA, Tollan PME, Golovin AV.   +3 more
europepmc   +1 more source

Petrophysical characteristics of geological-geophysical models of kimberlite pipes of the Archangelsk' kimberlite province

RUDN Journal of Engineering Research, 2008
The results on physical properties of naturally hosting rocks and kimberlites of Arkhangel'sk diamondiferous province are considered. Geologic-geophysical model of diamond deposits of the considered field has been constructed.
openaire   +1 more source

Oceanic and super-deep continental diamonds share a transition zone origin and mantle plume transportation. [PDF]

Sci Rep, 2021
Doucet LS, Li ZX, Gamal El Dien H.
europepmc   +1 more source

Potassium distribution and isotope composition in the lithospheric mantle in relation to global Earth's reservoirs. [PDF]

Geochim Cosmochim Acta, 2021
Ionov DA, Wang K.
europepmc   +1 more source

Diamondiferous garnet lherzolite from the V.Grib kimberlite pipe: relationship between subduction, mantle metasomatism and diamond formation

Записки Горного института
The article presents the results of a comprehensive study of diamondiferous lherzolite from the V.Grib kimberlite pipe. The composition of rock-forming minerals (olivine, orthopyroxene, Cr-diopside, Cr-pyrope) in terms of major elements mainly ...
Elena V. Agasheva, Nikolai V. Gubanov, Dmitrii A. Zedgenizov   +2 more
doaj  

Remarkably preserved cysts of the extinct synurophyte, Mallomonas ampla, uncovered from a 48 Ma freshwater Eocene lake. [PDF]

Sci Rep, 2020
Siver PA.
europepmc   +1 more source

Long-lived Paleoproterozoic eclogitic lower crust. [PDF]

Nat Commun, 2021
Buntin S, Artemieva IM, Malehmir A, Thybo H, Malinowski M, Högdahl K, Janik T, Buske S.   +7 more
europepmc   +1 more source

Palm phytoliths in subarctic Canada imply ice-free winters 48 million years ago during the late early Eocene. [PDF]

Ann Bot
Siver PA, Reyes AV, Pisera A, Buryak SD, Wolfe AP.   +4 more
europepmc   +1 more source

Fossil specimens of the autotrophic protist Mallomonas asmundiae bearing cysts and attached scales from an Eocene locality. [PDF]

Sci Rep
Siver PA.
europepmc   +1 more source

Non-invasive sampling of bats reflects their potential as ecological indicators of elemental exposure in a diamond mining area, northern Limpopo Province, South Africa. [PDF]

Environ Sci Pollut Res Int, 2022
Cory-Toussaint D, Taylor PJ, Barnhoorn IEJ.   +2 more
europepmc   +1 more source