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首页> 外文会议>Environmental management implications of organic facies studies (abstract book) >Coal Petrology and Chemistry of Permian coals from the Parana Basin: 1. Santa Terezinha, Leao-Butia and Candiota Coalfields, Rio Grande do Sul, Brazil
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Coal Petrology and Chemistry of Permian coals from the Parana Basin: 1. Santa Terezinha, Leao-Butia and Candiota Coalfields, Rio Grande do Sul, Brazil

机译：巴拉那盆地二叠纪煤的岩石学和化学性质：1.巴西圣南特雷津哈，Leao-Butia和Candiota Coalfields，南里奥格兰德州

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摘要

The current paper presents results on coal seam development and characterisation in Permian coal-bearing strata from the Parana Basin, southern Brazil (Candiota, Leao-Butia and Santa Terezinha Coalfields). Sequence stratigraphic analysis shows that peat accumulation in Permian time was closely linked to transgressive/regressive cycles, with peat accumulation occurring in a predominantly back barrier type setting. Coal petro-graphic analysis indicates subbituminous coals at Candiota and Leao-Butia and high volatile bituminous coals at Santa Terezinha. Locally the coal seams are thermally altered by vulcanic intrusions.
机译：本文介绍了巴西南部巴拉那盆地（Candiota，Leao-Butia和Santa Terezinha Coalfields）二叠纪含煤地层煤层发育和特征的研究结果。层序地层分析表明，二叠纪时期的泥炭堆积与海侵/回归循环密切相关，泥炭堆积主要发生在后屏障类型环境中。煤岩学分析表明，Candiota和Leao-Butia处的次烟煤和Santa Terezinha的高挥发性烟煤。局部煤层因火山岩侵入而发生热变化。

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  • 会议地点 Budapest(HU)
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    Kalkreuth W.; Cardozo Alves T.; Cioccari G.; Holz M.; Kern M.; Silva M; Willett J.; Finkelman R.;

  • 作者单位

    Institute de Geociencias, UFRGS, Av. Bento Goncalves, 9500, 91501-970 Porto Alegre, RS, Brazil;

    Institute de Geociencias, UFRGS, Av. Bento Goncalves, 9500, 91501-970 Porto Alegre, RS, Brazil;

    Institute de Geociencias, UFRGS, Av. Bento Goncalves, 9500, 91501-970 Porto Alegre, RS, Brazil;

    Institute de Geociencias, UFRGS, Av. Bento Goncalves, 9500, 91501-970 Porto Alegre, RS, Brazil;

    Institute de Geociencias, UFRGS, Av. Bento Goncalves, 9500, 91501-970 Porto Alegre, RS, Brazil;

    Institute de Geociencias, UFRGS, Av. Bento Goncalves, 9500, 91501-970 Porto Alegre, RS, Brazil;

    U.S. Geological Survey Mail Stop 956 Reston, VA 20192, USA;

    U.S. Geological Survey Mail Stop 956 Reston, VA 20192, USA;

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