Home
Map
Browse Map
Explore away
Explore Map Collection
Check out our basemaps
Print a Map
Plus
Generate a high-quality PDF
Field Guide
Field Guide
Discover local flora, fauna, geology, and more
Local Flora & Fauna
Learn the ecology of your area
Local Geology
Learn the geologic formation at your feet
Get Started
or
Sign In
Welcome
Sign up to start exploring the one-of-a-kind Natural Atlas Topo map
Continue with Apple
Or
Sign up with Email
Already have an account?
Sign In
Waterfalls
Rock Formations
Campgrounds
Trails
Boat Launches
National Parks
State Parks
Scenic Spots
Measure
You must upgrade to measure routes
Start Free Trial
0 ft
Max
0 ft
Copyright
© Natural Atlas
| Roads, Buildings
© OSM Contributors
|
Data Sources
Topo
Ecoregions
Public Lands
...
BASEMAPS
Default Weather
Temperature
Smoke
...
WEATHER
Devonian System (MOD;0)
Geologic Formation
in
MO
Print Map
Generate High-Quality PDF
Lithology
Shale
Chert
Sandstone
Other
(300 mi²)
Geologic Age
Early Devonian – Late Devonian (422.4 Ma – 359.3 Ma ago)
Geologic Unit Label
D
Chattanooga Shale, Sylamore Sandstone, Fortune Formation, Holts Summit Sandstone, Snyder Creek Shale, Cedar Valley Limestone, Louisiana Limestone, Saverton Shale, Grassy Creek Shale, Turpin Sandstone, Bushberg Sandstone, Glen Park Limestone, St. Larent Limestone, Beauvais Sandstone, Grand Tower Limestone, Clear Creek Chert, Little Saline Limestone, Grassy Knob Chert, Bailey Formation.
—
USGS
Fossils
Strophomenidae
FAMILY
6
Observations
JAN - DEC
Stromatoporellidae
FAMILY
5
Observations
JAN - DEC
Paracyclas
GENUS
5
Observations
Bryozoa
PHYLUM ·
“Bryozoan”, “Moss Animals”, “Bryozoans”, “Moss Animal”
4
Observations
JAN - DEC
Clathrodictyidae
FAMILY
3
Observations
JAN - DEC
See All
Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Devonian System (MOD;0)
Devonian System (MOD;0)
Devonian System (MOD;0)
Search
Search the outdoors
Map
Plans
Field Guide
Community
My Profile
My Trips
0
My Field Notes
0
Notifications
More