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Thompsonville "silver mine", Thompsonville, Newton, Middlesex Co., Massachusetts, USAi
Regional Level Types
Thompsonville "silver mine"Deposit (Abandoned)
Thompsonville- not defined -
Newton- not defined -
Middlesex Co.County
MassachusettsState
USACountry

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Key
Latitude & Longitude (WGS84):
42° 19' 27'' North , 71° 10' 15'' West
Latitude & Longitude (decimal):
Locality type:
Deposit (Abandoned) - last checked 2019
Deposit first discovered:
1877
Nearest Settlements:
PlacePopulationDistance
Newton88,817 (2017)3.5km
Brookline58,732 (2017)4.2km
Jamaica Plain37,468 (2017)4.5km
Watertown31,915 (2017)5.3km
Needham28,886 (2017)6.8km


In autumn of 1877, a deposit of silver was reportedly discovered near Thompsonville. Samuel Smith described the location as being in the "beautiful and romantic Hammond's Pond woods". But M.F. Sweetser wrote it was located "a few hundred feet south of the road". If "the road" is Boylston Street, then the two locations are opposite of each other.

Therefore, the map coordinates for this location should be considered an estimate.

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:

Calcite
Formula: CaCO3
Reference: Smith, Samuel Francis (1880): History of Newton, Massachusetts, p. 14.
Hematite
Formula: Fe2O3
Reference: Smith, Samuel Francis (1880): History of Newton, Massachusetts, p. 14.
Quartz
Formula: SiO2
Reference: Smith, Samuel Francis (1880): History of Newton, Massachusetts, p. 14.
Quartz var: Milky Quartz
Formula: SiO2
Reference: Smith, Samuel Francis (1880): History of Newton, Massachusetts, p. 14.
Silver
Formula: Ag
Reference: Smith, Samuel Francis (1880): History of Newton, Massachusetts, p. 14 Sweetser, M. F. (1889): King's handbook of Newton, Massachusetts, p. 309

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Milky Quartz-SiO2

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O QuartzSiO2
O Quartz (var: Milky Quartz)SiO2
O CalciteCaCO3
O HematiteFe2O3
SiSilicon
Si QuartzSiO2
Si Quartz (var: Milky Quartz)SiO2
CaCalcium
Ca CalciteCaCO3
FeIron
Fe HematiteFe2O3
AgSilver
Ag SilverAg

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Smith, Samuel Francis (1880): History of Newton, Massachusetts, p. 14
Sweetser, M. F. (1889): King's handbook of Newton, Massachusetts, p. 309


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