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Anne Arundel Co., Maryland, USA

Anne Arundel County is on Maryland's Coastal Plain Province, underlain primarily by undeformed, generally loosely consolidated Cretaceous, Tertiary and Quaternary sediments. Bedrock is rarely exposed, but when it is, it can yield interesting sedimentary materials (such as amber, lignitic coal and vivianite) and fossils. A number of small pits in Cretaceous iron ores (hematite, limonite) and clays were dug in the western part of the County, some dating from Revolutionary War time. Few signs of them can be found at present.

Mineral List

Mineral list contains entries from the region specified including sub-localities
'Alum Group'
var: Jet'


14 entries listed. 8 valid minerals.

Localities in this Region


The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Singewald, J. T. (1911) Report on the iron ores of Maryland: Maryland Geological Survey Vol. 9 Part 3: 183.

Little, H. P. et. al. (1917) Anne Arundel County: Maryland Geological Survey: County Report, 232 p.

Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.

Glasser, J. D. (1971) Geology and mineral resources of southern Maryland: Maryland Geological Survey: Report of Investigations RI 15, 85 p.

Kuff, K. R. (1976) Mineral resources and mine land inventory of Anne Arundel County, Maryland: Maryland Geological Survey: County Atlas #1, map 1:62,500.

Schmidt, M.F. & M. F. Schmidt Jr. (2010) Maryland's Geology: Schiffer Publications, 164 p.

Means, J. (2010) Roadside geology of Maryland, Delaware and Washington, D.C.: Wild Horizons Publishers, 346 p.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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