Crown Point Formation

Geology

Group: Chazy

Members: unnamed (68)

Lithologies: not reported (3), claystone (1), "shale" (5), lime mudstone (9), grainstone (6), "reef rocks" (4), framestone (2), "limestone" (48), dolomite (8)

Paleoenvironments: marine indet. (39), carbonate indet. (19), reef, buildup or bioherm (10)

Age range: base of the Chazyan to the top of the Whiterockian or 471.30000 to 457.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Chazyan471.3 - 457.3USA (New York) (42808 56184 56185 63301 63303 63304 63307 63313 89105 164475 171704 171707 171798 172142 172143 172198 172206 172227 172228 172229 172230 172231 172232 172294 172295 172296 172297 172298 172299 172307 172308 172309 172310 172311 172312 172313 172321 172322 172346 172347 172348 172349 172676 172690)
Chazyan471.3 - 457.3USA (Vermont) (63297 63323 172203 186174)
Whiterockian471.3 - 457.3USA (New York) (102995 103000 103001 103002 103003 103004 103005 103012 103013 103282 103311 103312 103314 103317)
Whiterockian471.3 - 457.3USA (Vermont) (103276 103281 103291 103292 103296)
Marmor - Ashbyan471.3 - 449.6USA (New York) (89032 89094)