3841 to 3852 of 14064 results
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The occurrence of Mesozoic oceanic floor and ancient continental crust on South Georgia
Read more of: The occurrence of Mesozoic oceanic floor and ancient continental crust on South GeorgiaThe Larsen Harbour Formation of southern South Georgia is part of an ophiolite sequence of submarine lavas and sheeted dykes emplaced into metasedimentary country rocks. The metasediments are remnants of […]
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An error in ice-temperature measurement
Read more of: An error in ice-temperature measurementAn analysis is made of the disturbance in conductive heat flow caused by drilling a bore hole in ice in which there is a vertical temperature gradient. The model used […]
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Growth of two Antarctic lamellibranchs: Adamussium colbecki and Laternula elliptica
Read more of: Growth of two Antarctic lamellibranchs: Adamussium colbecki and Laternula ellipticaThe growth of two Antarctic lamellibranchs, Adamussium colbecki (E.A. Smith) and Laternula elliptica (King and Broderip), has been investigated. A. colbecki is a pectinid that grows to a shell height […]
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Open system crystal fractionation and incompatible element variation in basalts
Read more of: Open system crystal fractionation and incompatible element variation in basaltsO’HARA1 has recently proposed an open-system model for the fractional crystallisation of magmas involving continual replenishment of the magma chamber and only partial extraction of the fractionated liquid at each […]
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Strontium isotope evidence for mantle events in the continental lithosphere
Read more of: Strontium isotope evidence for mantle events in the continental lithosphereFollowing current interpretation of isotope data from oceanic basalts, the case for inheritance of Rb/Sr and 87Sr/86Sr ratios in continental igneous rocks from long-lived heterogeneities in the mantle is reviewed, […]