"Minerals of the Wolf Creek Formation"
Gwinnett County
Norcross Quadrangle


"Site Photographs - Detail"


Photograph - Dr. David Babulski
Collecting site "B".

Lens of Kaolinite conformal with the amphibolite.  This lens is 14 inches in width.

Photograph - Dr. David Babulski
Collecting site "B".

View looking South at right angles to the trend line of folding in the rocks.  This view shows a long contorted quartz lens which follows the general north east plunge of the major folds in the amphibolite.

Photograph - Dr. David Babulski

Close-up of the lower portion of the quartz lens showing pyrite blebs along the center of the quartz body.

Photograph - Dr. David Babulski

Close-up of a quartz lens.  At its thickest portion, the quartz lens measures 3.5 inches in width.  Note the presence of pyrite as films and irregular blebs in the white quartz. 

Photograph - Dr. David Babulski
Collecting site "B". 

View along the axis of the north east fold trend line.  On the right hand limb of the folds (shown by the arrow) is a quartz epidote pod that exhibits en echelon fracture.

Photograph - Dr. David Babulski

Close-up detail of the quartz epidote pod shown above.  The fracture has created vugs which have allowed the Hornblende and epidote crystals to grow much larger.  Hornblende crystals to 0.5 inches in length are present in these vugs.  Similar fracture created vugs in quartz epidote pods at site "A" have yielded striking specimens of epidote and piemontite.

Photograph - Dr. David Babulski
Collecting site "B".

Lenses and pods of Kaolinite interbeded with the fine-grained amphibolite.  The rock hammer is show for scale.

Photograph - Dr. David Babulski
Collecting site "B".

Quartz epidote pod interbedded with fine grained amphibolite.  Rock hammer is show for scale.

Photograph - Dr. David Babulski
Collecting site "B".

Quartz epidote pods in fine grained amphibolite.

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