Woodlawn Quarry: A GeoAdventure in the Delaware Piedmont
A visit to Woodlawn Quarry is suitable for ages 10 to adults and provides an interesting opportunity to collect common mineral specimens, identify the quarry as an early mining site, appreciate the...
View ArticleThe Bringhurst Gabbro: A GeoAdventure in the Delaware Piedmont
A field trip to Bringhurst Woods Park is appropriate for students in grades 5 and up (10 years and older), and provides an opportunity to observe intrusive plutonic igneous rocks that have intruded...
View ArticleBiotite Tonalite
Fine- to medium-grained, equigranular biotite tonalite usually occurring as rounded boulders. Tonalites are leucocratic (15 to 25% modal mafic minerals), light gray to buff on fresh surfaces, and...
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A.I.duPont Students see geology of the Delaware Piedmont
November 17, 2010William "Sandy" Schenck lead a field trip through the Delaware Piedmont for the A.I. duPont High School Earth Science Class. The trip made use of the Wilmington-Western Railroad and...
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