Ice-Core Evidence of Earliest Extensive Copper Metallurgy in the Andes 2700 Years ago

• Anja Eichler,
• Gabriela Gramlich,
• Thomas Kellerhals,
• Leonhard Tobler,
• Thilo Rehren,
• Margit Schwikowski

Affiliations

Anja Eichler

Laboratory of Environmental Chemistry, Paul Scherrer Institute, CH-5232 Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, CH-3012 Bern, Switzerland. [email protected]

Gabriela Gramlich

Laboratory of Environmental Chemistry, Paul Scherrer Institute, CH-5232 Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, CH-3012 Bern, Department of Chemistry and Biochemistry, University of Bern, CH-3012 Bern, Switzerland

Thomas Kellerhals

Laboratory of Environmental Chemistry, Paul Scherrer Institute, CH-5232 Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, CH-3012 Bern, Switzerland

Leonhard Tobler

Laboratory of Environmental Chemistry, Paul Scherrer Institute, CH-5232 Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, CH-3012 Bern, Switzerland

Thilo Rehren

UCL Institute of Archaeology, 31-34 Gordon Square, London WC1H 0PY, UK; College for Humanities and Social Sciences, HBKU Doha, Qatar

Margit Schwikowski

Laboratory of Environmental Chemistry, Paul Scherrer Institute, CH-5232 Villigen, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, CH-3012 Bern, Switzerland; Department of Chemistry and Biochemistry, University of Bern, CH-3012 Bern, Switzerland