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Framingham, Middlesex Co., Massachusetts, USA

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Latitude & Longitude (WGS84): 42° 16' 45'' North , 71° 25' 0'' West
Latitude & Longitude (decimal): 42.27917,-71.41667
GeoHash:G#: drt0wbevz
Köppen climate type:Dfa : Hot-summer humid continental climate


The town of Framingham was officially incorporated in 1700.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

8 valid minerals.

Detailed Mineral List:

Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.206.
Augite var: Titanian Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Reference: Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.206.
'Biotite'
Chalcopyrite
Formula: CuFeS2
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
'Chlorite Group'
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.206.
Dolomite
Formula: CaMg(CO3)2
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
Galena
Formula: PbS
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2·4H2O
Reference: Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.206.
'Limonite'
Formula: (Fe,O,OH,H2O)
Pyrite
Formula: FeS2
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
Pyrolusite
Formula: Mn4+O2
Quartz
Formula: SiO2
Reference: Day, David T. (1888). Mineral Resources of the United States, Calendar Year 1887 (Washington, DC: USGS)
Quartz var: Jasper
Reference: Day, David T. (1888). Mineral Resources of the United States, Calendar Year 1887 (Washington, DC: USGS)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Dolomite'5.AB.10CaMg(CO3)2
Group 9 - Silicates
'Augite'9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
var: Titanian Augite9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
'Chrysotile'9.ED.15Mg3(Si2O5)(OH)4
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Chlorite Group'-
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
Limonite-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Augite
var: Titanian Augite
-(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
'Biotite'-
'Chlorite Group'-
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

HHydrogen
H ChrysotileMg3(Si2O5)(OH)4
H IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
H Limonite(Fe,O,OH,H2O)
CCarbon
C DolomiteCaMg(CO3)2
OOxygen
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O ChrysotileMg3(Si2O5)(OH)4
O DolomiteCaMg(CO3)2
O IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
O Limonite(Fe,O,OH,H2O)
O PyrolusiteMn4+O2
O QuartzSiO2
O Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
NaSodium
Na Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg ChrysotileMg3(Si2O5)(OH)4
Mg DolomiteCaMg(CO3)2
Mg IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Mg Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
AlAluminium
Al Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si ChrysotileMg3(Si2O5)(OH)4
Si IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Si QuartzSiO2
Si Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca DolomiteCaMg(CO3)2
Ca Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
TiTitanium
Ti Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe ChalcopyriteCuFeS2
Fe IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
Fe Augite (var: Titanian Augite)(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
CuCopper
Cu ChalcopyriteCuFeS2
PbLead
Pb GalenaPbS

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 Macrostrat.org

Devonian - Silurian
358.9 - 443.8 Ma



ID: 3186140
Paleozoic sedimentary and volcanic rocks

Age: Paleozoic (358.9 - 443.8 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

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]

Neoproterozoic
541 - 1000 Ma



ID: 3023024
Metamorphosed mafic to felsic flow, and volcaniclastic and hypabyssal intrusive rocks

Age: Neoproterozoic (541 - 1000 Ma)

Description: Includes some diorite and gabbro north and northwest of Boston.

Comments: Part of Milford-Dedham Zone (Tertiary and Older Rocks) Original map source: Unpublished Digital Geologic Map of Massachusetts received from Rudi Hon of Boston College in 1998; based on the 1983 USGS paper version (MA002).

Lithology: Major:{metavolcanic}, Minor:{hypabyssal,volcanic,diorite,gabbro}

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 Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Day, David T. (1888). Mineral Resources of the United States, Calendar Year 1887 (Washington, DC: USGS)

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