Zechstein

Zech'stein` noun [ Greek , from zeche a mine + stein a stone.] (Geol.) The upper division of the Permian (Dyas) of Europe. The prevailing rock is a magnesian limestone.
Found on http://www.encyclo.co.uk/webster/Z/2

Zechstein

• (n.) The upper division of the Permian (Dyas) of Europe. The prevailing rock is a magnesian limestone.
Found on http://thinkexist.com/dictionary/meaning/zechstein/

Zechstein

(from the article `Permian Period`) ...the current Roadian Stage and the remainder of the Wordian Stage) in between Murchison`s upper and lower parts of the Permian System was ...
Found on http://www.britannica.com/eb/a-z/z/4

Zechstein

Zechstein is the upper division of the Permian (Dyas) of Europe. The prevailing rock is a magnesian limestone.
Found on http://www.probertencyclopaedia.com/browse/HZ.HTM
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