Northwestern New Jersey – Northern Appalachians

#308, project 1, show in map.

Age (Ma)
440435430425420415410405400395
Paleozoic
Devonian
Middle Devonian
Eifelian
Early Devonian
Emsian
Pragian
Lochkovian
Silurian
Pridoli
Ludlow
Ludfordian
Gorstian
Wenlock
Homerian
Sheinwoodian
Llandovery
Telychian
Aeronian
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Stroudsburg Member of Buttermilk Falls Limestone
McMichaels Member of Buttermilk Falls Limestone
Foxtown Member of Buttermilk Falls Limestone
Schoharie Formation
Esopus Formation
Ridgeley Sandstone of Oriskany Group
Shriver Chert of Oriskany Group
Port Ewen Shale of Helderberg Group
Minisink Limestone of Helderberg Group
New Scotland Formation of Helderberg Group
Coeymans Formation of Helderberg Group
Mashipacong Member of Rondout Formation
Whiteport Dolomite Member of Rondout Formation
Duttonsville Member of Rondout Formation
Decker Formation
Bossardville Formation
Poxono Island Formation
Bloomsburg Formation
Tammany Member of Shawangunk Formation
Lizard Creek Member of Shawangunk Formation
Minsi Member of Shawangunk Formation
5.4 Ma
455450
Paleozoic
Ordovician
Late Ordovician
Katian
Sandbian
Pen Argyl Member of Martinsburg Formation
Ramseyburg Member of Martinsburg Formation
Bushkill Member of Martinsburg Formation
Jacksonburg Formation
1.2 Ma
458
Paleozoic
Ordovician
Late Ordovician
Sandbian
Middle Ordovician
Darriwilian
Green Unit (pamelia Equivalent)
6.1 Ma
530520510500490480470
Paleozoic
Ordovician
Middle Ordovician
Darriwilian
Dapingian
Early Ordovician
Floian
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Series 3
Guzhangian
Drumian
Stage 5
Series 2
Stage 4
Stage 3
Terreneuvian
Stage 2
Fortunian
Harmonyvale Member of Ontelaunee Formation
Beaver Run Member of Ontelawnee Formation
Lafayette Member of Epler Formation
Big Springs Member of Epler Formation
Hope Member of Rickenbach Formation
Branchville Member
Crooked Swamp Facies of Rickenbach Formation
Lower Member of Rickenbach Formation
Upper Member of Allentown Formation
Limeport Member
Wallkill Member of Leithsville Formation
Hamburg Member of Leithsville Formation
Califon Member of Leithsville Formation
Hardyston Quartzite
67.3 Ma
620
Neoproterozoic
Ediacaran
Chestnut Hill
374.6 Ma
1,1501,1001,0501,000
Neoproterozoic
Tonian
Mesoproterozoic
Stenian
unnamed
30.0 Ma
1,2401,2201,2001,180
Mesoproterozoic
Stenian
Ectasian
unnamed
60.0 Ma
1,5001,4501,4001,3501,300
Mesoproterozoic
Ectasian
Calymmian
Losee Suite