Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Dropstone"'
Autor:
Molén Mats O.
Publikováno v:
Geologos, Vol 29, Iss 3, Pp 139-166 (2023)
Models (paradigms) and former interpretations have often been presupposed when conducting field research. In the 19th century diamictites were for the first time interpreted to have originated from ancient glaciations. These interpretations have to a
Externí odkaz:
https://doaj.org/article/e3668607e8984136a9d0d379b60e7cfd
Akademický článek
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Autor:
Molén Mats O.
Publikováno v:
Geologos, Vol 27, Iss 2, Pp 73-91 (2021)
During more than a century since its original identification, the Gowganda Formation in Ontario (Canada) has gradually been reinterpreted from representing mainly subglacial tillites to secondary gravity flow and glaciomarine deposits. The main piece
Externí odkaz:
https://doaj.org/article/2962977ea8c949c8b28de4268edd6518
Autor:
Huw J. Griffiths, Paul Anker, Katrin Linse, Jamie Maxwell, Alexandra L. Post, Craig Stevens, Slawek Tulaczyk, James A. Smith
Publikováno v:
Frontiers in Marine Science, Vol 8 (2021)
The seafloor beneath floating ice shelves accounts roughly a third of the Antarctic’s 5 million km2 of continental shelf. Prior to this study, our knowledge of these habitats and the life they support was restricted to what has been observed from e
Externí odkaz:
https://doaj.org/article/01833d2088a64328b8c3fb4d58a301f1
Akademický článek
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Autor:
Mats O. Molén
Publikováno v:
Geologos, Vol 27, Iss 2, Pp 73-91 (2021)
During more than a century since its original identification, the Gowganda Formation in Ontario (Canada) has gradually been reinterpreted from representing mainly subglacial tillites to secondary gravity flow and glaciomarine deposits. The main piece
Publikováno v:
Journal of Sedimentary Research. 91:507-519
Dropstones in lacustrine and marine sediments show a wide range of sizes: from less than a millimeter to many meters. Their size and shape determine the velocity and the acceleration when they settle through the water column, and this, in turn, deter
Publikováno v:
Journal of the Geological Society. 177:866-881
The Sibumasu Terrane is a continental block in SE Asia that is considered to have been attached to Gondwana before its collision with Indochina during the Triassic. The elemental geochemistry and Sm–Nd isotopic composition of mudrocks from the lowe
Publikováno v:
Scottish Journal of Geology. 56:47-53
A dropstone horizon is described from lake deposits in a palaeo-valley from the c. 1000 Ma Diabaig Formation, Torridon Group, NW Scotland. Dropstones occur in wave-rippled, fine-grained sandstones and siltstones that contain desiccation and syneresis
Autor:
Yuji Orihashi, Kaishi Nakao, Natsue Abe, Yuichi Takaku, Ryo Anma, Minoru Sasaki, Shiki Machida
Publikováno v:
GEOCHEMICAL JOURNAL. 54:195-201