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  1. Aquia Creek

    ... predominantly transformed to alteration products such as sericite . Maximum grain size is .9 mm, and the minimum is .05 mm. The modal ... show incipient stages of weathering with small patches of sericite formation up to 35 µm. Overall, though, weathering of grains is ...

    Raven Mueller - 2015-07-22

  2. Harvest Gold

    ... and mica species. Kaolinite , smectite , and sericite group minerals as well as oxyhydroxides are all present in these ...

    Raven Mueller - 2015-07-22

  3. Stanton Moor

    ... predominantly transformed to alteration products such as sericite . Biotite is also significantly altered with kaolinite ...

    Ed FitzGerald - 2015-09-05

  4. Dakota Mahogany Brown Velvet

    ... with many grains presenting a dusty look. What is likely sericite is present in small patches (~10 µm) on some feldspar grains. ...

    Raven Mueller - 2015-08-12

  5. Dakota Mahogany Whetstone

    ... with many grains presenting a dusty look. What is likely sericite is present in small patches (~10 µm) on some feldspar grains. ...

    Raven Mueller - 2015-08-12

  6. Nor-Carla Bluestone

    ... are quartz, orthoclase , albite or oligoclase, sericite , and chlorite ; epidote, pyrrhotite, sphene -leucoxene,and ...

    Raven Mueller - 2015-08-12

  7. Greene County

    ... with many grains presenting a dusty look. What is likely sericite is present in small patches (~10 µm) on some feldspar grains. ...

    Raven Mueller - 2015-08-12

  8. Elberton Granite

    ... with many grains presenting a dusty look. What is likely sericite is present in small patches (~30 µm) on some feldspar grains. MP ...

    Ed FitzGerald - 2015-09-04

  9. American Bouquet

    ... with many grains presenting a dusty look. What is likely sericite is present in small patches (~10 µm) on some feldspar grains ...

    Raven Mueller - 2015-09-03

  10. Dakota Mahogany Sunset

    ... with many grains presenting a dusty look. What is likely sericite is present in small patches (~10 µm) on some feldspar grains. ...

    Raven Mueller - 2015-08-12

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