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⇱ Norwood, Charlevoix County, Michigan, USA

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Norwood, Charlevoix County, Michigan, USAi
Regional Level Types
Norwood- not defined -
Charlevoix CountyCounty
MichiganState
USACountry

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Latitude & Longitude (WGS84):
45° 12' 29'' North , 85° 23' 19'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Norwood142 (2017)1.1km
Eastport218 (2017)11.6km
Ellsworth342 (2017)12.1km
Charlevoix2,540 (2017)15.9km
Ironton140 (2017)16.7km
Mindat Locality ID:
107654
Long-form identifier:
mindat:1:2:107654:0
GUID (UUID V4):
0


The Geological Survey of Michigan, Lower Peninsula, 1876 provides a detailed description of the black shale (Antrim shale) that outcrops on the beach of Lake Michigan just south of the village of Norwood in Charlevoix County (see page 66). The survey describes granular crystals of pyrite and pyrite concretions found within the shale. Also mentioned are large calcareous concretions up to 5 or 6 feet in diameter. The large concretions were later determined to be composed of unique radial crystals of a variety of calcite called Anthraconite.

The outcrop is located at the Charlevoix-Antrim county line and extends southward in to Antrim County. It forms an almost vertical drop of about 15 feet at the beach. The old parking area is now posted however; the beach of the Great Lakes from the low water mark to the high water mark is accessible to the public.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ 'Anthraconite'
Description: May actually be predominately dolomite
ⓘ Calcite
Formula: CaCO3
Description: May actually be predominately dolomite
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Marcasite
Formula: FeS2
ⓘ Pyrite
Formula: FeS2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Unclassified
ⓘ'Anthraconite'-

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ CalciteCaCO3
Oⓘ DolomiteCaMg(CO3)2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
SSulfur
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
FeIron
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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References

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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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