Potassium-argon ages of schists from chatham Island, New Zealand Plateau, southwest pacific

Physics & Astronomy

• schist 100%
• New Zealand 80%
• potassium 53%
• plateaus 50%
• argon 42%
• rocks 23%
• Antarctic regions 17%
• metamorphic rocks 11%
• igneous rocks 10%
• basements 8%
• volcanology 8%
• shales 8%
• granite 8%
• mica 6%
• folding 6%
• histories 4%
• cooling 4%
• estimates 3%

Earth & Environmental Sciences

• argon 57%
• schist 54%
• potassium 45%
• plateau 40%
• Cretaceous 21%
• metamorphism 21%
• Jurassic 14%
• Antarctica 10%
• rock 8%
• pumpellyite 8%
• black shale 6%
• basement rock 6%
• chert 6%
• orogeny 6%
• mica 6%
• tuff 6%
• igneous rock 6%
• metamorphic rock 6%
• folding 5%
• granite 4%
• cooling 4%
• history 3%
• land 3%