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extraction of extremely delicate compressions (fwd)



Wilson Taylor posted this message to the palaeobotany list and I thought
someone on paleonet might be able to help.  I suspect he may not read
paleonet, so you might answer back to him at the uwec address. 

James Mahaffy


FForwarded message:
> From alpha1.rhbnc.ac.uk!listserv Mon May 29 11:13:14 1995
> Date: Mon, 29 May 1995 16:36:02 +0100 (BST)
> From: RHBNC List server <LISTSERV@alpha1.rhbnc.ac.uk>
> Reply-To: PALAEOBOTANY@vms.rhbnc.ac.uk
> To:   PALAEOBOTANY-L@vms.rhbnc.ac.uk
> Message-Id: <950529163602.21e1a8eb@vms.rhbnc.ac.uk>
> Subject: extraction of extremely delicate compressions
> 
> Date: Mon, 29 May 1995 10:35:13 -0600 (CST)
> Date-warning: Date header was inserted by CNSVAX.UWEC.EDU
> From: TAYLORWA@CNSVAX.UWEC.EDU (WILSON TAYLOR)
> Subject: extraction of extremely delicate compressions
> X-Sender: TAYLORWA@UWEC.EDU
> To: PALAEOBOTANY@Vms.Rhbnc.Ac.Uk
> Message-id: <01HR2M31THB6001Z6O@CNSVAX.UWEC.EDU>
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> 
> Anyone out there provide me with their best advice (in form of instructions,
> a reference, a protective deity, etc.) on extracting extremely delicate
> compressions from a calcareous siltstone?  
> 
> I seem to recall seeing slow dissolution in a dilute solution of EDTA.  I
> don't know the efficacy of such an approach.  If good results are possible,
> what concentration should I try?  I do know that weak HCl (1-2%) destroys
> the specimens.  
> 
> Wil Taylor
> taylorwa@uwec.edu
> 

-- 
:
James F. Mahaffy                   e-mail: mahaffy@dordt.edu
Biology Department                 phone: 712 722-6279
Dordt College                      FAX 712 722-1198
Sioux Center, Iowa 51250