Science Source
East Antarctic ice sheet stability recorded in a high-elevation ice-cored moraine
- East Antarctic blue ice moraines record quasi-continuous ice sheet history
- Sharp pebble composition changes across the moraine indicate geomorphic stability
- Detrital zircons in till are dominantly from the lower Beacon Supergroup
- Provenance methodology (pebble vs zircon) indicates different apparent debris sources
- Rock types across moraine show reverse Beacon Supergroup stratigraphy
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