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Department of Earth and Environmental Science

R. Ian Harker

Publications

2001: Harker, R. Ian and Timothy Leahy "The significance of a Hastingsite granite in the Carn Chuinneag-Inchbae Complex" Scottish Jour. Geology, vol.37, 53-57.

1996: Harker, R. Ian "Curved Tree Trunks -Indicators of Soil Creep and Other Phenomena" Jour. Geology, vol.104, 351-358.

1995: Harker, R. Ian and Daniel F. Michelman "Chromites and their Ultramafic Hosts in Southeastern Pennsylvania" Jour. Pennsylvania Academy of Sciences, vol.69 (2), 66-72.

1993: " Fracture patterns in clasts of diamictites (?tillites)." In Journal of the Geological Society of London 150, pp. 251-254.

1990: With T.M. Lutz. " Securities of Mineral Supplies." In Resources Policy 16, pp. 115-127.

1989: With R. Giegengack. " Brecciation of Clasts in Diamictites of the Gowganda Formation, Ontario, Canada." In Geology 17, pp. 123-126.

 



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Department of Earth and Environmental Science
University of Pennsylvania, 254-b Hayden Hall, 240 South 33rd Street
Philadelphia, PA 19104-6316