Period |
Group |
Unit |
Lithology |
Penn. |
|
Pottsville |
Olean |
. |
|
Quartz pebble
conglomerate & sandstone, quartz pebble, conglomerate,
sandstone & minor shale. |
Miss. |
|
Pocono |
Knapp |
. |
|
Dev. |
Upper |
Conewango |
|
. |
|
Shale & sandstone, scattered
conglomerates. |
Conneaut |
Chadakoin |
. |
|
Shale & siltstone, scattered
conglomerates. |
Canadaway |
Undifferentiated1 |
. |
|
Shale & siltstone Minor
sandstone |
Perrysburg2 |
. |
|
Shale & siltstone Minor
sandstone |
West Falls |
Java
Nunda
Rhinestreet |
. |
|
Shale & siltstone
Argilleceous
limestone
|
Sonyea |
Middlesex |
. |
|
Shale & siltstone |
Genesee |
|
. |
|
Shale with minor siltstone &
limestone |
Middle |
|
Tully |
. |
|
Limestone with minor siltstone &
sandstone. |
Hamilton |
Moscow Ludlowville Skaneateles Marcellus |
. |
|
Shale with minor sandstone &
conglomerate. |
|
Onondaga |
. |
|
Limestone |
Lower |
Tristates |
Oriskany |
|
|
Sandstone |
Helderberg |
Manilius Rondout |
. |
|
Limestone & dolostone |
Sil. |
Upper |
|
Akron |
. |
|
Dolostone |
Salina |
Camillus Syracuse Vernon |
. |
|
Shale, siltstone,
anhydrite &
halite |
Lockport |
Lockport |
. |
|
Limestone & dolostone |
Clinton |
Rochester Irondequoit |
. |
|
Shale & sandstone |
Lower |
Sodus Reynales Thorold |
. |
|
Limestone & dolostone |
Medina |
Grimsby Whirlpool |
. |
|
Sandstone & shale
Quartz sandstone |
Ord. |
Upper |
|
Queenston Oswego Lorraine Utica |
. |
|
Shale & siltstone
with minor
sandstone |
Middle |
Trenton - Black River |
Trenton Black
River |
. |
|
Limestone and minor dolostone. |
Lower |
Beekmantown |
Tribes
Hill Chuctanunda |
. |
|
Limestone |
Camb. |
Upper |
|
Little Falls Galway
(Theresa) Potsdam |
. |
|
Quartz sandstone & dolostone; sandstone &
sandy dolomite; conglomerate base |
PreCamb. |
|
Gneiss, Marble, Quartzite,
etc... |
. |
|
Metamorphic & igneous rocks |