Structural control of strontium concentrations in stream sediments: an example from major fault zones in central Norway

O.M. S?ther; D. Roberts; C. Reimann

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Structural control of strontium concentrations in stream sediments: an example from major fault zones in central Norway

机译：河流沉积物中锶浓度的结构控制：以挪威中部主要断层带为例

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A distinct linear Sr anomaly traceable over a distance of >120 km in central Norway can be linked directly to the ENE–WSW-trending Møre-Trøndelag Fault Complex. Another less prominent linear anomaly is associated with a major extensional detachment fault. Although the Sr values are not unusually high, those above the 90th percentile define a distinct subpopulation indicative of the effects of a secondary process. This is considered to relate to accessory and secondary mineral phases that precipated in dense vein networks (calcite, zeolites, epidote) within the hydrothermally and metasomatically altered cataclasites and breccias of this major, multiply reactivated, fault complex.

机译：可在挪威中部> 120 km范围内追踪到的独特线性Sr异常可以直接与ENE–WSW-trending Møre-Trøndelag断层复杂体联系。另一个不太明显的线性异常与一个主要的伸展脱离断层有关。尽管Sr值不是异常高，但是在第90个百分位以上的那些定义了一个不同的亚群，指示了次级过程的影响。这被认为与内的致密静脉网络（方解石，沸石，附子）中的发生副溶和次生矿物相有关，这些副相和次生矿物在热液和交代反应中在这个主要的，多重重新活化的断层复合体的加成岩和角砾岩发生了变化。

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《Geochemistry: Exploration, Environment, Analysis》 |2005年第2期|00000183-00000188|共6页
作者
O.M. S?ther; D. Roberts; C. Reimann;
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作者单位

Norges geologiske unders?kelse, N-7491 Trondheim, Norway (e-mail: ola.sather@ngu.no david.roberts@ngu.no clemens.reimann@ngu.no);

Norges geologiske unders?kelse, N-7491 Trondheim, Norway (e-mail: ola.sather@ngu.no david.roberts@ngu.no clemens.reimann@ngu.no);

Norges geologiske unders?kelse, N-7491 Trondheim, Norway (e-mail: ola.sather@ngu.no david.roberts@ngu.no clemens.reimann@ngu.no);

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原文格式 PDF
正文语种 eng
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关键词
strontium; anomaly; Møre-Trøndelag Fault Complex; stream sediments;

机译：锶;异常Møre-Trøndelag断层综合体;河流沉积物;

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Structural control of strontium concentrations in stream sediments: an example from major fault zones in central Norway

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