Results 201 to 210 of about 254,715 (432)
Wasatch fossils in so-called Fort Union beds of the Powder River Basin, Wyoming, and their bearing on the stratigraphy of the region [PDF]
, 1917 Carroll H. Wegemann
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Journal of Quaternary Science, EarlyView.ABSTRACT Northwest Europe experienced high‐amplitude climate change at the onset and end of the Younger Dryas (YD; ca 12 800–11 600 cal a BP), a crucial period to develop our understanding of natural climate dynamics. European palaeoclimatological records generally suggest a bipartite structure of the YD, potentially due to a northward retreat of the ...
Christopher P. Francis +5 more
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Boreas, Volume 52, Issue 1, Page 109-123, January 2023., 2023 The recurrent latent‐heat polynya characterizing Storfjorden (Svalbard, Norway) triggers seasonal formation of thin first‐year sea ice. This leads to the production of dense, salty, and corrosive brines that cascade towards the sea floor and mix with shelf waters. The bottom topography of the fjord is responsible for the retention of these dense waters
Maria Pia Nardelli +4 more
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Stratigraphy of middle Tertiary rocks in part of west-central Florida [PDF]
, 1956 W.J. Carr, Douglas C. Alverson
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Stratigraphy and Succession of the Rocks of the Sierra Nevada of California [PDF]
, 1892 J. E. Mills
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Boreas, Volume 52, Issue 1, Page 78-98, January 2023., 2023 A detailed stratigraphic and geotechnical investigation of the uppermost 50 m below the sea floor was carried out for parts of the German North Sea sector using combined information from shallow seismic reflection surveys, 50‐m‐long sediment cores and cone penetration tests covering an area of ~150 km2.
Matthias Fleischer +5 more
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Ages on weathered Plio-Pleistocene tephra sequences, western North Island, New Zealand [PDF]
, 2001 Using the zircon fission-track method, we have obtained five ages on members of two strongly-weathered silicic, Pliocene-Pleistocene tephra sequences, the Kauroa and Hamilton Ash formations, in western North Island, New Zealand.
Briggs, Roger M. +5 more
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People and Nature, EarlyView.Abstract Longer‐term perspectives—equivalent to the lifespans of long‐lived trees—are required to fully inform perceptions of ‘naturalness’ used in woodland conservation and management. Stand‐scale dynamics of an old growth temperate woodland are reconstructed using palaeoecological data.
Annabel Everard +4 more
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An Early Pleistocene interglacial deposit at Pingorsuit, North‐West Greenland
Boreas, Volume 52, Issue 1, Page 27-41, January 2023., 2023 At the Pingorsuit Glacier in North‐West Greenland, an organic‐rich deposit that had recently emerged from the retreating ice cap was discovered at an elevation of 480 m above sea level. This paper reports on macrofossil analyses of a coarse detritus gyttja and peaty soil, which occurred beneath a thin cover of till and glacifluvial deposits.
Ole Bennike +9 more
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