Thin section of a recent algae reef from Green Lake: showing the typical spongy structure of the microcrystalline calcite produced by a felt of fresh water algae. Onondaga County, New York. 1926.
Dates
Date Taken
1926
Summary
Thin section of a recent algae reef from Green Lake: showing the typical spongy structure of the microcrystalline calcite produced by a felt of fresh water algae. This also shows a portion of the recrystallized and denser surface layer in the upper left quadrant. Enlarged 30 diameters. Onondaga County, New York. July 1926. Plate 30-B in U.S. Geological Survey. Professional paper 154. 1929.
Summary
Thin section of a recent algae reef from Green Lake: showing the typical spongy structure of the microcrystalline calcite produced by a felt of fresh water algae. This also shows a portion of the recrystallized and denser surface layer in the upper left quadrant. Enlarged 30 diameters. Onondaga County, New York. July 1926. Plate 30-B in U.S. Geological Survey. Professional paper 154. 1929.
This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html