Sökning: "Andean uplift"

Hittade 2 avhandlingar innehållade orden Andean uplift.

  1. 1. Spatiotemporal Evolution of Neotropical Organisms: New Insights into an Old Riddle

    Författare :Alexandre Antonelli; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Neotropics; Biodiversity patterns; Speciation models; Andean uplift; K T Event; Biogeography; Phylogenetics; Molecular dating; Rubiaceae; Chloranthaceae; Campanulaceae; Tetrapods; Biological systematics;

    Sammanfattning : Nowhere else on Earth are there so many species of plants and animals as in the Neotropical region. Yet, many questions remain concerning the causes underlying such outstanding diversification. LÄS MER

  2. 2. Precambrian Crustal Evolution of the Rehoboth Province, Southern Africa

    Författare :Valby van Schijndel; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Rehoboth Province; Rehoboth Basement Inlier; Kaaien Terrane; Dwyka Diamictite; U–Pb; Sm–Nd; Lu–Hf; Ar–Ar Geochronology; Oxygen isotopes; Zircon; Baddeleyite;

    Sammanfattning : This thesis uses U-Pb, Sm-Nd Lu-Hf, Ar-Ar and Oxygen isotope data on well-documented rock samples, to investigate crustal evolution of the Precambrian Rehoboth Province of Southern Africa. This province is defined by its smooth magnetic character, reflecting deep magnetic basement in contrast to the adjoining mobile belts and the Kaapvaal Craton. LÄS MER