Re: qz plate

1999-01-29 Thread Graham A. Patterson
> From: "Rory M Wilson (CDH) 3089" <[EMAIL PROTECTED]> > Bede Scientific, See http://bede.com/index.html for this particular company. -- Graham Patterson http://www.rdg.ac.uk:80/~slspatte Sedimentology: The hard study of soft rocks *** Opinions expressed are

Re: Preferred orientation and clay minerals

1999-01-19 Thread Graham A. Patterson
> And then, problems with preferred orientation occured. [...] > Even > after mixing 25% biotite and 75% Cab-osil, in volume, > one cannot expect to be able to pack the sample : the > 75% Cab-osil tends to decrease to a few percent after > packing, so that the preferred orientation is not reduced