闽西晚白垩世红层的古环境探究

Earth & Environmental Sciences

• red bed 100%
• paleoenvironment 85%
• Cretaceous 57%
• province 49%
• paleosol 42%
• rare earth element 20%
• chemical weathering 18%
• hematite 15%
• sediment 11%
• magnetism 9%
• clastic sediment 9%
• magnetic susceptibility 8%
• siltstone 8%
• upper crust 8%
• continental crust 7%
• fluvial deposit 7%
• lacustrine deposit 7%
• gravel 7%
• silt 6%
• conflict 6%
• weathering 6%
• geochemistry 6%
• grain size 6%
• sandstone 5%
• attribute 5%
• anomaly 5%
• well 5%
• clay 5%
• sand 4%
• climate 4%
• index 4%
• basin 3%
• particle 3%
• chemical 3%

Physics & Astronomy

• beds 74%
• sediments 57%
• weathering 33%
• rare earth elements 20%
• hematite 19%
• geochemistry 12%
• gravels 12%
• sandstones 10%
• climate 9%
• crusts 9%
• China 8%
• clays 8%
• sands 8%
• horizon 7%
• anomalies 6%
• grain size 5%
• magnetic permeability 5%
• profiles 4%

Chemistry

• Red 54%
• Efflorescence 22%
• Lanthanoid Atom 16%
• Hematite 15%
• Geochemistry 9%
• Weathering 8%
• Magnetism 7%
• Magnetic Susceptibility 6%
• Grain Size 6%
• Environment 4%