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Chinn Mine, Harrodsburg, Mercer Co., Kentucky, USAi
Regional Level Types
Chinn MineMine
Harrodsburg- not defined -
Mercer Co.County

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Latitude & Longitude (WGS84): 37° 50' 59'' North , 84° 46' 0'' West
Latitude & Longitude (decimal): 37.85000,-84.76667
GeoHash:G#: dnexr46u1
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
High Bridge242 (2011)5.1km
Wilmore6,247 (2017)9.3km
Jackson2,356 (2006)9.5km
Burgin965 (2011)10.7km
Salvisa420 (2011)10.9km

A former commercial calcite mine that belonged to Colonel Jack Chinn on the Mercer County side of the Kentucky River at the mouth of Shawnee Run. The mine was near the village of Mundy's Landing in Woodford County and the town of Harrodsburg in Mercer County.

According to Miller (1919, p. 326), the Chinn Mine contained a nearly vertical fissure vein approximately six to sixteen feet wide exposed on a steep face of the river cliff that could be traced for at least a mile to the south.

The Chinn Mining Company also built a mill located on the river at the mouth of the mine. The mill had a capacity of sixty tons of calcite per day. The final product was then shipped to High Bridge on a barge, then loaded into rail cars.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

4 valid minerals.

Detailed Mineral List:

Formula: BaSO4
Reference: American Mineralogist (1926) 11:174-180
Formula: CaCO3
Reference: Rocks & Min.: 24: 255.; American Mineralogist (1926) 11:174-180
Formula: CaF2
Reference: Rocks & Min.: 24: 255.; American Mineralogist (1926) 11:174-180
Formula: ZnS
Reference: American Mineralogist (1926) 11:174-180

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 3 - Halides
Group 5 - Nitrates and Carbonates
Group 7 - Sulphates, Chromates, Molybdates and Tungstates

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1

List of minerals for each chemical element

C CalciteCaCO3
O CalciteCaCO3
O BaryteBaSO4
F FluoriteCaF2
S SphaleriteZnS
S BaryteBaSO4
Ca CalciteCaCO3
Ca FluoriteCaF2
Zn SphaleriteZnS
Ba BaryteBaSO4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

0 - 2.588 Ma

ID: 1939920

Age: Pleistocene (0 - 2.588 Ma)

Description: Silt, clay, sand and gravel: Silt and clay are medium to dark brownish gray; sand is light brown and consists mainly of reworked limonite grains from upland soils; gravel at base of alluvium consists of locally derived limestone and clay fragments, residual chert, and geodes and pebbles of quartz.

Comments: Qal; Harrodsburg Quadrangle (GQ-1020) | | Map description and column:

Lithology: Silt | clay | sand | gravel

Reference: KGS Databases, Maps, and Publications. Kentucky 1:24,000 Geologic Map. Kentucky Geological Survey. [22]

251.902 - 541 Ma

ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

443.8 - 485.4 Ma

ID: 2809078
High Bridge Group

Age: Ordovician (443.8 - 485.4 Ma)

Stratigraphic Name: High Bridge Group

Description: in west-central Kentucky, the thickness is at least 20+ m; in east-central Kentucky, the thickness is at least 120+ m

Comments: Original map source: In 2002, the 1:500,000 scale geologic map (including a separate fault file) was digitized by the Kentucky Geological Survey and made available to the public through the website In 2004 the USGS re-digitized the exi

Lithology: Major:{limestone}, Incidental:{dolostone, shale}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Miller, A.M. (1919) The geology of Kentucky, a classified compend of state reports and other publications, with critical comment based on original investigations. Department of Geology and Forestry, Frankfort, Kentucky: p. 326.
Zodac, P. (1949) World news on mineral occurrences. Rocks and Minerals: 24(3): p. 255.

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