Petrology of Peter I Øy (Peter I Island), West Antarctica

Physics & Astronomy

• petrology 100%
• Antarctic regions 78%
• rocks 53%
• trachyte 40%
• basalt 38%
• trace elements 36%
• peninsulas 29%
• plagioclase 29%
• isotope ratios 25%
• olivine 24%
• fractionation 22%
• spinel 17%
• gabbro 16%
• lead isotopes 14%
• continents 14%
• melting 14%
• chronology 13%
• volcanology 13%
• oxygen isotopes 13%
• Earth mantle 10%
• neodymium 10%
• strontium 10%
• oceans 9%
• margins 9%
• garnets 9%
• quartz 8%
• occurrences 7%
• inclusions 7%
• glass 5%
• liquids 4%

Earth & Environmental Sciences

• petrology 57%
• Antarctica 47%
• rock 26%
• volcanism 25%
• spinel 18%
• plagioclase 16%
• olivine 16%
• rare earth element 15%
• subduction 15%
• fractionation 15%
• continental rise 12%
• neodymium 12%
• volcanic island 11%
• augite 11%
• lead isotope 11%
• lherzolite 10%
• passive margin 10%
• age determination 10%
• cumulate 10%
• land 10%
• phenocryst 10%
• hot spot 9%
• strontium 9%
• gabbro 9%
• xenolith 9%
• rifting 9%
• oxygen isotope 8%
• partial melting 8%
• garnet 8%
• continent 7%
• glass 7%
• melting 7%
• Pleistocene 7%
• isotope 6%
• mantle 6%
• melt 6%
• quartz 6%
• liquid 5%
• ocean 5%
• sea 4%

Chemistry

• Fractionation 48%
• Melting 47%
• Quartz 24%
• Isotope 23%
• Glass 18%
• Liquid 14%