Catoctin Metabasalt and Greenstone of Maryland
Catoctin Metabasalt and Greenstone Outcrop
Photographed by Michael P. Klimetz


I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND
Photographed by Michael P. Klimetz


Phyllitic Metabasalt and Sheared Greenstone

Late Proterozoic-Early Cambrian
Catoctin Metabasalt Formation

I-70 at Arch Bridge
Braddock

Frederick County
MARYLAND