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Maramec mine (Meramec mine), Phelps County, Missouri, USAi
Regional Level Types
Maramec mine (Meramec mine)Mine
Phelps CountyCounty
MissouriState
USACountry

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Latitude & Longitude (WGS84):
37° 57' 29'' North , 91° 32' 21'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Saint James4,216 (2011)7.9km
Steelville1,699 (2017)16.2km
Cuba3,374 (2017)16.6km
Rolla20,019 (2017)20.4km
Leasburg334 (2017)25.9km


This mine is located near the Meramec Springs, seven miles southeast of St. James. The main workings consisted of a circular pit 225 feet in diameter and 80 feet deep, the top of which occurs near the contact of the Roubidoux and Gasconade formations. The enclosing sink structure is well outlined on the east, north, and west by steeply dipping ledges of sandstone and the ore body was enclosed by steeply dipping beds of the same material. According to the Tenth Census Report, a horse of clay occurred in the center of the deposit near the surface. Near the bottom of the pit this mound of clay was underlain by soft red hematite, which has been removed as far as safety would permit. It is reported that the bottom of the pit is still in ore at the 80 feet level, below which a shaft sunk an additional 40 feet, passed through the ore into clays and sand at a depth of about 20 feet.

The ore consisted of soft red and specular hematites, an average sample of which ran 68.06% iron, 2.06% silica, 0.040% Phos., and 0.00% Sul. Samples of the red ore alone showed 60.76% iron, 9.78% silica, 0.051% Phos., 0.126% Sul., and 0.00% Mn.

This mine was operated intermittently from 1826 to 1891, producing a total of about 375,000 tons of ore.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


4 valid minerals.

Detailed Mineral List:

Goethite
Formula: α-Fe3+O(OH)
Reference: Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.
Hematite
Formula: Fe2O3
Reference: Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.
Quartz
Formula: SiO2
Reference: Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.
Siderite
Formula: FeCO3
Reference: Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
CCarbon
C SideriteFeCO3
OOxygen
O HematiteFe2O3
O Goethiteα-Fe3+O(OH)
O QuartzSiO2
O SideriteFeCO3
SiSilicon
Si QuartzSiO2
FeIron
Fe HematiteFe2O3
Fe Goethiteα-Fe3+O(OH)
Fe SideriteFeCO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A) In-text Citation No.
Crane, G.W. (1912) The Iron Ores of Missouri. Missouri Bureau of Geology and Mines, Second Series, Volume 10: 294-295.

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