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>Hi Geoffrey, Ask Ben van der Pluijm in Michigan, he is an expert on these issues, and has dated gouges in the Pyrenees as well as in the Canadian Rockies. Best wishes, Reinoud Vissers >Hi everybody, > >I and some colleagues of mine detailed a 2m wide fault gouge in >Morocco last November, and we are looking forward to date it (actual >faulting, or did we only see landslide on a former fault-scarp). > >Some XRD analyzes are on their way but we need expertise and >experience on such dating. Can someone help us? Collaborate? This is >a 1km wide and 40-80m high fault scarp associated to left lateral >normal faulting. The hanging wall is constituted of Cambrian >carbonates with Triassic red beds on top of them whereas the >footwall is made up of Pre-Cambrian gneiss. > >Thanks a lot in advance for your replies > >Cheers > >-- >-geo > >Geoffrey M.H. Ruiz >Tel: +41: 32 718 26 08 (off.) / +41 78 847 44 71 (mobile) >Geological Institute >University of Neuchatel >Emile Argand 11/CP 158 >CH-2009 Neuchâtel >Switzerland -- Prof. Dr. R.L.M. Vissers Department of Earth Sciences Faculty of Geosciences, Utrecht University PO Box 80.021 3508 TA Utrecht - Netherlands