منابع مشابه
Stratigraphy of the Castlecliffian type section: 10 mid-Pleistocene sequences from the Wanganui coast, New Zealand
The 160 m thick Castlecliff coast section was deposited during the middle Pleistocene (c. 1.07-0.35 Ma) and comprises 10 disconformity-bound cyclothems or sequences. A typical sequence has three parts: (1) a basal suite of shoreface and inner shelf sediments with intertidal and shallow subtidal molluscan faunas, and cross-bedded, pebbly shell gravels (type A shellbeds); (2) a mid-cycle shellbed...
متن کاملSedimentology and Stratigraphy of the Pleistocene sediments in Lake Llauset (Southern Pyrenees, Spain)-a first approach
The high alpine valleys in the Southem Pyrenees are characterised by a many small lakes and ponds. They occur above 2000 m and are said to have been formed by glacial erosion. The sediments in these basins should, therefore, contain s t p tigraphic information since deglaciation, at least. An interesting and may be one of the most important of these basins is Lake Llauset in the Alta Ribagorca....
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73 4.
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ژورنال
عنوان ژورنال: Nature
سال: 1939
ISSN: 0028-0836,1476-4687
DOI: 10.1038/143822a0