1. EPA Region II Fractured Rock Training January 14, 2014 Pierre Lacombe
Regional Geology Overview Bedrock of New York, New Jersey, & Puerto Rico
EPA Region II
Fractured Rock Training
January 14, 2014
Pierre Lacombe

2. State/Regional Geologic Maps
Regional time units maps eg. Silurian, Triassic
Regional rock/time units maps eg. Sandstone, gneiss
Site Hydrogeologic Maps and Sections
Show rock strata
Show geophysical strata
Show weathering induce hydorgeologic changes
Regional Geology Overview

3. Regional Geology Overview

4. Regional Geology Overview
Saint Lawrence Champlain Lowlands
Cambrian to Silurian (6 NPL)
Adirondack Mtn
Metamorphic (0 NPL)
Lake Ontario Lowlands
Silurian (25 NPL)
Hudson Lowlands
Taconic Mts
Cambrian to Silurian
(12 NPL)
Allegheny Plateau and Catskill Mountains
Devonian (25 NPL)
Highlands
Metamorphic (12 NPL)
Regional Geology Overview
Geology in Random Order

5. Regional Geology Overview

6. Regional Geology Overview

7. Regional Geology New Jersey
Ringwood
Fair Lawn
New Jersey
3 Fractured Bedrock Physiographic Provinces
Time Stratigraphic Units
Precambrian to Jurassic
EPA NPL Sites
Valley and Ridge
Highlands 13
Piedmont 50+
NAWC

8. Regional Geology Overview
Bedrock Geology hidden by glacial cover and urban cover
Glacial Cover
Glacial Cover
Regional Geology Overview

9. Regional Geology Overview
North
Sedimentary (X NPL)
Central
Sedimentary, Igneous (X NPL)
South
Sedimentary (X NPL)
Regional Geology Overview
16 NPL Sites

10. Major NJ NY PR Rock Types
Sedimentary
Shale
Siltstone
Sandstone
Conglomerate
Limestone
Many more
Metamorphic
Gneiss
Schist
Slate
Marble
Many more
Igneous
Granite
Basalt
Diabase
Anorthosite
Many more
Most time are rock formations or units are made out of interlayered strata or intercalated masses the above rock types
Regional Geology Overview

11. Regional Geology Overview
Time Units Provence
ERA
Period
Epochs 
NY and NJ Bedrocks
PR Rocks
Cenozoic
Quaternary
Holocene
none
Carbonates
Pleistocene
Tertiary
Pliocene
Miocene
Oligocene
Eocene
Volcanic & Plutonic Rocks
Paleocene
Mesozoic
Cretaceous
Jurassic
Palasades and Wasatch Mt
Triassic
Newark Basin
Paleozoic
Permian
Pennsylvanian
western Allegheny Plateau nearly none
Mississippian
Devonian
Allegheny Plateau &
Catskill Mtns
NJ Valley and Ridge
Silurian
Hudson lowlands & Taconic mountain
Lake Ontario & Champlain Lowlands
Ordovician
Cambrian
Pre-Cambrian
Proterozoic
Adirondacks MTS NY Highlands
Archean
Regional Geology Overview

12. Regional Geology Overview
Summary
State Geologic maps are:
Gross scale
Geologic Time/Group maps
County and Local geologic maps are
Medium scale
Geologic Formation maps
Site maps should be:
Fine scale
Rock strata maps of many types
Regional Geology Overview