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| Name：HermanOrage | 06, Feb, 2026 21:00:59 | |
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B and C. Thin tills at the centre of the trunk zone of Ice Stream 1 in many places lie unconformably over stratified sediments. This suggests widespread basal sliding may have been subordinate to subglacial sediment deformation but the general thickening of tills towards the lobate terminal margins | |
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