LARGE FOSSIL SPECIMEN OF STROMATOLITE FROM TIPTON, WYOMING

Description

THIS IS A LARGE, HEAVY SPECIMEN OF
STROMATOLITE, FORMED BY CYANOBACTERIA - Chlorellopsis colonia Reis .
THE SPECIMEN IS
APPROXIMATELY 11 X 7 X 7 cm
.  IT
WEIGHS 492.7 gm.
THE SPECIMEN IS FROM
LANEY MEMBER, GREEN RIVER FORMATION, NEAR TIPTON, SWEETWATER CO., WYOMING.
IT IS OF
EOCENE AGE
.
STROMATOLITES HAVE BEEN AROUND SINCE PRE-CAMBRIAN TIMES AND STILL EXIST IN SOME OF TODAY'S OCEANS. THIS SPECIMEN FORMED IN FRESH TO BRACKISH WATER OF EOCENE LAKE GOSIUTE BEFORE IT DRIED UP IN SW WYOMING.  THE SPECIMEN DISPLAYS WELL.  SEE PICTURES.  I WILL COMBINE SHIPPING WHEN POSSIBLE.  THANKS FOR LOOKING.
THE
EOCENE LAKE
GOSIUTE
IS
THE LARGEST OF THREE LAKES THAT EXISTED IN SW-WY; NW-CO; AND NE-UT DURING THE EOCENE PERIOD ABOUT 45+/- MILLION YEARS AGO.