List of Rock Types - Geologic Walking Tour of Building Stones of Downtown Baltimore
| Stop 1: | The Gallery | ||
| East Pratt Street Lobby (interior) | |||
| Sedimentary rock — tan and black limestones | |||
| Building Exterior | |||
| Igneous rock — pink to red granite | |||
| Calvert Street Lobby (interior) | |||
| Igneous rock — pink to red granite Metamorphic rock — gneiss |
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| Stop 2 | Legg Mason Tower | ||
| Igneous rock — pink granite Sedimentary rock — travertine |
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| Stop 3 | Bank of America Building | ||
| Sedimentary rock — Indiana Limestone (Salem Limestone) | |||
| Stop 4 | 120 East Redwood Street Building | ||
Igneous rock — fine-grained gray granite |
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| Stop 5 | Mercantile Trust & Deposit Company Building | ||
| Sedimentary rock — “Seneca Red” sandstone | |||
| Stop 6 | Calvert Street Monuments | ||
| Battle of North Point Monument | |||
| Metamorphic rock — Cockeysville Marble | |||
| Monument Park | |||
| Metamorphic rock — Georgia gneiss | |||
| Monument to Negro Heroes of the United States | |||
| Igneous rock — dark gray granite | |||
| Stop 7 | City Hall and Vicinity | ||
| Fayette Street Sidewalk (on the route to City Hall) | |||
| Sedimentary rock — sandstone | |||
| City Hall | |||
| Metamorphic rock — Cockeysville Marble | |||
| War Memorial Plaza | |||
| Sedimentary rock — Indiana Limestone (Salem Limestone) | |||
| Stop 8 | War Memorial Building Sculptures | ||
| Sedimentary rock — Indiana Limestone (Salem Limestone) | |||
| Stop 9 | |||
| Igneous Rock — anorthosite | |||
| Stop 10 | City Police Headquarters | ||
| Metamorphic Rock — Rainbow Gneiss | |||
| Stop 11 | Parking Garage | ||
| Artificial aggregate | |||
| Stop 12 | Lombard Street Sculptures | ||
| Sedimentary Rock — interlayered limestone and dolomite | |||
| Sedimentary Rock — gray and pink limestone with stylolites | |||
This pamphlet was prepared by Sherry McCann-Murray, with contributions
and photography by the Environmental Geology and Mineral Resources Program
of the Maryland Geological Survey.
Adapted for the Internet from Educational Series No. 10. For more
information see Building Stones
of Maryland .
Compiled by the Maryland
Geological Survey, 2300 St. Paul Street, Baltimore, MD 21218
This electronic version of "A Brief Description of the Geology of
Maryland " was prepared by Bob Conkwright, Division of Coastal and
Estuarine Geology, Maryland Geological Survey.