Results 111 to 120 of about 62,283 (208)

Geochemistry and Nd-Sr Isotopic Signatures of the Pensamiento Granitoid Complex, Rondonian-San Ignacio Province, Eastern Precambrian Shield of Bolivia: Petrogenetic Constraints for a Mesoproterozoic Magmatic Arc Setting [PDF]

open access: yesGeologia USP. Série Científica, 2009
The Pensamiento Granitoid Complex (PGC), located in the northern part of the eastern Precambrian shield of Bolivia, istectonically assigned to the Rondonian-San Ignacio Province (1.55 - 1.30 Ga) of the Amazonian Craton that is made up byArchean and ...
Ramiro Matos   +3 more
doaj  

Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran-Cambrian ecosystems and prompted an early Cambrian greenhouse world. [PDF]

open access: yesSci Rep, 2021
Caxito F   +11 more
europepmc   +1 more source

87th Annual Meeting of the Meteoritical Society 2025: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 60, Issue S1, Page 30-350, August 2025.
wiley   +1 more source

Geochemical and geochronological investigations of the vumba granite-greenstone terrain of NE Botswana [PDF]

open access: yes, 2000
U-Pb SHRIMP ages were determined for five samples representative of various granitoid groups from the Vumba granite-greenstone terrain, south western margin of the Zimbabwe craton in NE Botswana. These age data range from 2733 ± 5 Ma or 2696 ± 3.5 Ma (if
Bagai, Zibisani
core  

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