Mineral Elemental Response to the Evolution of Terrestrial Brine Faultedbasin:a case study in the Paleogene of Well Haoke1, Dongying Sag
- Received Date: 1900-01-01
- Rev Recd Date: 1900-01-01
- Publish Date: 2008-12-10
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Key words:
- response of mineral element /
- ratio of mineral element /
- evolution of basin /
- brine lake /
- Dongying Sag
Abstract: In order to investigate the relation between the distribution of mineral elements and sedimentary environment including the salinity and depth of water body, and the evolution of lakebasin, emission spectrograph of inductive coupling plasma was used to intensively testing and dissection the content of mineral elements in the deep death of the Paleogene from the Well Haoke1 in Dongying sag. The involved formation contained the Member 3, Member 4 of Shahejie Formation and Kongdian Formation, in which the main source rocks distributed. The results demonstrate that: in the oxidized sedimentary environment of shallow shorelacustrine the content of Sr, Ca and the parameters of Ca/Mg, Sr/Ba, Sr/Ca have low value response, the content of Fe, Al, Ba, V and the parameter of (Fe+Al)/(Ca+Mg) have high value response; in the brinelake sedimentary environment the content of Mn, Ba,V and the parameters of V/Ni, (Fe+Al)/(Ca+Mg) have low value response, the content of Sr, Na and the parameters of Sr/Ba, Fe/Mn, Sr/Ca have high value response; in the reductive brackish sedimentary environment of halfdeep lacustrine lake the content of K, Na, Fe and the parameters of Fe/Mn have low value response, the content of Ca, Mn have high value response. In the cosedimentary environment of saline deposit and mud of the middle part of Sha4 Formation, the distribution of mineral elements has obvious characteristics of discretion and fluctuation. Sr/Ba, Sr/Ca have obvious high value response in the saline lake and are verified to be good parameters for salinity of waterbody. The parameters of Fe/Mn and (Fe+Al)/(Ca+Mg) are approved to be good parameters for the depth of waterbody and their value increased with deepening of waterbody. The parameters abovementioned should be applied and synthetically analyzed to determine characteristics of geological factors for the parameters were influenced by many geological factors including sedimentary environment and lithologic character.
Citation: | CHEN Zhonghong. Mineral Elemental Response to the Evolution of Terrestrial Brine Faultedbasin:a case study in the Paleogene of Well Haoke1, Dongying Sag[J]. Acta Sedimentologica Sinica, 2008, 26(6): 925-932. |