|Latitude & Longitude (WGS84):||43° 13' 56'' North , 79° 58' 29'' West|
|Latitude & Longitude (decimal):||43.23222,-79.97472|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
Limestone rock outcrop along the south and west edges of the Ancaster Mill parking lot on the west side of Old Dundas Road. Celestine occurs in vugs in the limestone.
1 valid mineral.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
252.17 - 541 Ma
|Paleozoic sedimentary rocks|
Age: Paleozoic (252.17 - 541 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. 
419.2 - 443.8 Ma
Age: Silurian (419.2 - 443.8 Ma)
Stratigraphic Name: Eramosa Member
Description: Eramosa Member: dark brown or black, bituminous dolostone
Comments: thick-bedded, blue-grey, crinoidal limestone to dolostone (Gasport Mb); light brown, locally cherty, thin- to medium-bedded dolostone (Goat Island Mb); argillaceous dolostone and shale (Vinemount shale beds); thin- to thick-bedded, bituminous, locally laminated, dark brown dolostone (Eramosa Member)
Reference: Armstrong, D.K, and J.E.P. Dodge. Paleozoic geology of southern Ontario. Ontario Geological Survey Miscellaneous Release–Data 219. 
|Wenlock - Early Silurian|
427.4 - 443.8 Ma