《地球化學》——作業(yè).doc

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1、地殼非金屬元素豐度表(10-6)元素BCNOFSiPSClAsSeBrTeI大陸上地殼15324083056166000015003001421.5501.601.4大陸中地殼17000524523000100001823.164000大陸下地殼858834067559100010002002161.31400.2800.14大陸地殼整體1819906047.2602495000020003001793.113310.0050.8大洋地殼400000000116000.0030體現(xiàn)：◆奇偶規(guī)律：原子序數(shù)為偶數(shù)的元素其豐度大大高于相

2、鄰原子序數(shù)為奇數(shù)的豐度地殼非金屬元素豐度表(除Si元素)(10-6)元素BCNOFPSClAsSeBrTeI大陸上地殼15324083056115003001421.5501.601.4大陸中地殼17000524100001823.164000大陸下地殼858834067510002002161.31400.2800.14大陸地殼整體1819906047.260220003001793.113310.0050.8大洋地殼40000000116000.0030體現(xiàn)：◆遞減規(guī)律：原子序數(shù)較低的的范圍內，元素豐度隨原子序數(shù)增大呈指數(shù)遞減

3、?！羝媾家?guī)律：原子序數(shù)為偶數(shù)的元素其豐度大大高于相鄰原子序數(shù)為奇數(shù)的豐度地殼鑭系過渡元素豐度表(10-6)元素LaCePrNdSmEuGdTbDyHoErTmYbLu大陸上地殼30647.1264.50.883.80.643.50.82.30.332.20.32大陸中地殼17455.8244.41.540.583.80.822.302.30.41大陸下地殼8202.6112.81.13.10.483.10.681.90.321.90.25大陸地殼整體18425203.91.23.60.563.50.762.20.322.20.33

4、大洋地殼3.711.51.8103.31.34.60.875.71.73.70.543.70.56體現(xiàn)：◆奇偶規(guī)律：原子序數(shù)為偶數(shù)的元素其豐度大大高于相鄰原子序數(shù)為奇數(shù)的豐度元素ONa2OMgOAl2O3SiO2P2O5K2OCaOTi2OMnOFeO大陸上地殼3.90%2.20%15.20%66.00%0.15%3.40%4.20%0.65%0.08%4.50%大陸中地殼3.20%3.40%15.50%52.30%0.10%2.01%5.10%0.70%0.10%6.40%大陸下地殼2.60%7.10%16.60%59.10%0

5、.10%0.60%9.40%0.80%0.10%8.14%大陸地殼整體47.20%3.20%4.40%15.80%49.50%0.20%1.88%6.40%0.70%0.14%6.60%大洋地殼2.80%7.70%16.00%0.14%11.30%1.50%0.13%10.50%