 |
 |
Titus, you might find that John Ramsay has seen and described these at some time. John > -----Original Message----- > From: Titus Murray [SMTP:[log in to unmask]] > Sent: Wednesday, August 16, 2000 8:45 PM > To: [log in to unmask] > Subject: Xenoliths in Mt Blanc Granite > > Dear Members of the list > > I have just had a vacation in the Chamonix Mt Blanc area of France where I > saw some fantastic strained Xenoliths. > They were seen in the area around the Couvercle refuge and are notable for > a > number of reasons. > > All seen showed the following: > - Approximate 1:10 aspect ratio. > - Consistent orientation. > - The long axis is aligned parallel to the really nicely developed S > fabric > - Little or no alteration halo. > > In the region there are unstrained xenoliths which show a relatively > consistent sizes and ranges of emplacement orientations. > > Does anyone know of any calculations of the strain implied by these > xenoliths. > > Thanks > > Titus > > > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Titus Murray > Business Development & Structural Geologist > Midland Valley Exploration > 14 Park Circus > Glasgow G3 6AX > Scotland > Tel. +44 (0)141 332 2681 > Fax. +44 (0)141 332 6792 > e-mail - [log in to unmask] > http://www.mve.com > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%