behnaz balmaki

0 votes

Study of Echinoids of Gurpi formation, Iran

In order to detailed study of Echinoids, some samples are collected from Brown limestone member of Seimare from Gurpi Formation with 213 meter thickness which located in the vicinity of Ilam provin…

Received 01 November 2009 17:58 UTC; Posted 02 November 2009

Posted to: Earth & Environment, Evolutionary Biology

Participate

Frequently Asked Questions

Documents on Nature Precedings are not peer-reviewed.

What is Nature Precedings?
Nature Precedings is a permanent, citable archive for pre-publication research and preliminary findings.
What is voting and who can vote?
Voting is intended to be an informal way of showing support for a researcher's work.
Will posting a preprint on Nature Precedings affect publishing in a journal?
Nature journals will consider manuscripts that have already been circulated as preprints, but some other publishers will not, and many journals have policies that are vague or ambiguous on this point. If in doubt…
More questions…