Pg. 26, 27, 30-35. Clark Reservation limestone. Compact blue limestone, usually sharply separated from overlying Jamesville limestone and underlying Elmwood beds, all included in Manlius group. Undoubtedly included in Vanuxem's Manlius. Some authors have included this limestone and overlying Jamesville limestone in Helderbergian. Thickness 0 to 3 feet 8 inches. Age is Silurian(?) [see 1935 entry under Manlius Limestone].
Named from Clark Reservation State Park, slightly over 1 mi west of Jamesville, Onondaga Co., central NY. Type section: in cliff south of lake which is included in the park.
Source: US geologic names lexicons (USGS Bull. 896, p. 453; USGS Bull. 1200, p. 2356-2357).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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