Relative Paleoenvironmental Adjustments Following Deglaciation of the Byers Peninsula (Livingston Island, Antarctica)

Jesús Ruiz-Fernández; Marc Oliva

doi:10.1657/AAAR0015-014

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1 May 2016 Relative Paleoenvironmental Adjustments Following Deglaciation of the Byers Peninsula (Livingston Island, Antarctica)

Jesús Ruiz-Fernández, Marc Oliva

Author Affiliations +

Arctic, Antarctic, and Alpine Research, 48(2):345-359 (2016). https://doi.org/10.1657/AAAR0015-014

FIGURE 1.

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(A) Location of the South Shetland Islands (SSI) in Antarctica, (B) Byers Peninsula within the SSI, (C) Cerro Negro in the Byers Peninsula, (D) Southern slope of Cerro Negro, and (E) Northeastern side of Cerro Negro.

FIGURE 2.

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Geomorphological map of the study area.

TABLE 1

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Geomorphological landforms identified in the area.

FIGURE 3.

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Main geological and geomorphological features observed in the area of Cerro Negro.

FIGURE 4.

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Major phases of the paleoenvironmental evolution of the study area. (A) Maximum glacial expansion. (B) Holocene glacial retreat, lake formation, and intense periglacial dynamics. (C) Deglaciation of the Byers Peninsula and widespread periglacial processes. Legend: (1) Bedrock. (2) Glacial ice. (3) Snow patch. (4) Lake. (5) Moraine. (6) Talus cones. (7) Blockstreams. (8) Stone field. (9) Sorted stone circles.

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