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A Geoscience Digital Image Library

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TitleHills Pond Lamproite, Woodson County, Kansas
DescriptionThis extrusive igneous rock contains abundant small phenocrysts of phlogopite and serpentinized olivine, but alteration makes them hard to pick out. Finer grained apatite, diopside, richterite, perovskite, spinel and magnetite are also present but cannot be seen in this hand specimen. Serpentine and dolomite fill spaces between mineral grains. 10 cm across.
Chronostratigraphylate Cretaceous
LocationUSA ▹ Kansas ▹ Woodson. Near Buffalo.
PhotographerMike Davis. 2001-03-20.
CollectionWard’s Collection of Classic North American Rocks #42.
Key wordslamproite, Kansas, Hill Pond Lamproite
Tech details845 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number205