Sökning: "condensed sediments"
Hittade 2 uppsatser innehållade orden condensed sediments.
1. Titanium- and chromium-rich opaque minerals in condensed sediments : chondritic, lunar and terrestrial origins
Magister-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : Evidence from terrestrial sedimentary successions indicate that the amount of extraterrestrial material reaching Earth is not constant, but has been increased during parts of the Phanerozoic. An increase in the flux of extraterrestrial material to Earth has been proposed for the Middle Ordovician and the Late Eocene. LÄS MER
2. Extraterrestrisk och terrestrisk kromrik spinell i fanerozoiska kondenserade sediment
Magister-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : This study aims to assess the normal inflow of extraterrestrial chromite to Earth. The results from the investigation are compared to earlier studies of middle Ordovician Orthoceratite Limestone in which 1 - 3 extraterrestrial chromite grains ( >63 ƒÊm ) per kilogram limestone were found. LÄS MER