Valcour Formation

Geology

Group: Chazy

Members: unnamed (62), Beech (2), Hero (1)

Lithologies: not reported (2), "shale" (5), lime mudstone (7), grainstone (4), "reef rocks" (6), "limestone" (51), dolomite (1)

Paleoenvironments: marine indet. (40), carbonate indet. (14), reef, buildup or bioherm (11)

Age range: base of the Whiterockian to the top of the Ashbyan or 471.30000 to 449.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Chazyan471.3 - 457.3USA (New York) (42810 56215 63302 63316 154577 171705 171796 171817 171818 171820 171897 172171 172196 172233 172234 172235 172236 172237 172238 172239 172240 172241 172242 172243 172244 172245 172246 172247 172248 172249 172250 172251 172300 172301 172302 172303 172304 172305 172306 172314 172315 172316 172317 172318 172319 172320 172336 172337)
Chazyan471.3 - 457.3USA (Vermont) (42814 63324 172207)
Whiterockian471.3 - 457.3USA (Vermont) (103289)
Whiterockian471.3 - 457.3USA (New York) (103006 103007 103008 103009 103010 103280 103283 103299 103300 103301 103302 103305 103310 103316)
Ashbyan457.3 - 449.6USA (New York) (89040)