GZELIAN EPOCH (296-290 MYA)


EUROPE

FRANCE

SAONE-ET-LOIRE DEPARTMENT

GERMANY

RHINELAND PALATINATE STATE

ITALY

SARDINIA ISLAND


NORTHERN UNITED KINGDOM

SCOTLAND

MID-LOTHIAN PROVINCE

SPAIN

CIUDAD REAL PROVINCE


NORTH AMERICA

UNITED STATES OF AMERICA

KANSAS

GREENWOOD COUNTY

NEW MEXICO

BERNALLO COUNTY

RIO ARRIBA COUNTY

SANDOVAL COUNTY

VALENCIA COUNTY

PENNSYLVANIA

UTAH

SAN JUAN COUNTY