"View north across Saratoga Spring ponds to hills consisting of late Precambrian Pahrump Group rocks. White band is talc formed by reaction of dolomite with the black diabase enclosing it. A sill of diabase magma intruded between sedimentary layers of Crystal Spring Formation, now seen flanking the diabase at lower left. All units now tilt to east (right). The spring water rises along a fault and becomes ponded by fringing barrier dunes. (NPS archive image)"

moved here from the English Wikipedia: http://en.wikipedia.org/wiki/Image:Saratoga_Springs37sm.jpg

DescriptionView north across Saratoga Spring ponds.jpg	View north across Saratoga Spring ponds
Date	01/13/04
Source	http://geomaps.wr.usgs.gov/parks/deva/ftsar1.html
Author	NPS archives
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