Geoscience and gypsies: the universal power of statistical ordination techniques by Richard Arthur Reyment

NEWSPosted by Richard Reyment Mon, June 30, 2014 15:41:44
The topics discussed deal with Gypsy languages, Moorish substrates,and fossil squids. There is a uniting element, to wit, the element known as Ordination.

The Founder of Japanese Botanical Research by Carl Peter Thunberg (1743-1828)

NEWSPosted by Richard Reyment Mon, June 30, 2014 15:09:51

Ammonite dimorphism

NEWSPosted by Richard Reyment Sun, May 11, 2014 16:42:07

The geometry of planispirally coiled ammonite shells is now available by consulting my

Home Page ( Questions relating to dimorphism of shells, post-mortem transport of conchs, the application of the Perron theorem are reviewed.

invariancein ammonite shells

NEWSPosted by Richard Reyment Sun, March 25, 2012 17:41:48
Check out my homepage ( There is a draft manuscript listed which deals with invariance in some characters of ammonite shells as well as the effects of the logarithmic spiral on the analysis of lateral variability in ammonite shells.

An historical report

NEWSPosted by admin Tue, January 31, 2012 12:50:26

New report available for download:

Richard Reyment discuss the history of the International Association for Mathematical Geosciences