Assessing volumetric strains and mass balance relationships resulting from biotite-controlled weathering: Implications for the isovolumetric weathering of the Boulder Creek Granodiorite, Boulder County, Colorado, USA

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Assessing volumetric strains and mass balance relationships resulting from biotite-controlled weathering: Implications for the isovolumetric weathering of the Boulder Creek Granodiorite, Boulder County, Colorado, USA

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作者：Jason R. Parizek ; ^{JRParizek@gmail.com" class="auth_mail} ; Gary H. Girty ^{ggirty@mail.sdsu.edu" class="auth_mail}
关键词：Volumetric strain ; Biotite weathering ; Isovolumetric weathering ; Mass balance ; Bootstrap compositional data ; Saprock and saprolite
刊名：Catena
出版年：September 2014
年：2014
卷：120
期：Complete
页码：29-45
全文大小：2694 K

文摘

•: We investigate volumetric strains associated with saprock development at two sites.
•: Biotite in saprock displays splitting parallel to {001} cleavage planes.
•: Clay minerals include vermiculite ± biotite/vermiculite, kaolinite ± illite.
•: CIA values and weathering intensity factors suggest negligible to weak weathering.
•: Positive volumetric strains are consistent with theoretical values.

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