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Carlisle, Middlesex Co., Massachusetts, USAi
Regional Level Types
Carlisle- not defined -
Middlesex Co.County

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Latitude & Longitude (WGS84):
42° 31' 45'' North , 71° 21' 0'' West
Latitude & Longitude (decimal):
Nearest Settlements:
Carlisle4,799 (2017)0.0km
Billerica39,904 (2017)7.4km
Bedford12,502 (2017)7.4km
Concord16,810 (2017)7.6km
Chelmsford33,925 (2017)8.0km

Formerly a part of Concord, Carlisle was officially incorporated as a town in 1805.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

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

11 valid minerals.

Detailed Mineral List:

Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
Formula: CaCO3
Reference: Cook, 1974: Met. Carbonate Rocks of the Nashoba Form.
Formula: Cu2S
Reference: Engineering & Mining Journal 22:57 (July 22, 1876)
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Suzanne Wall collection
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: Cook, 1974: Met. Carbonate Rocks of the Nashoba Form.
Formula: Cu
Reference: Bull, Sidney A. - History of the town of Carlisle, Massachusets, 1754-1920
Formula: CaMgSi2O6
Formula: CaMg(CO3)2
Reference: Cook, 1974: Met. Carbonate Rocks of the Nashoba Form.
Formula: Ca3Al2(SiO4)3
Grossular var: Hessonite
Formula: Ca3Al2(SiO4)3
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
Reference: Gleba, 1978. Massachusetts Mineral & Fossil Localities
Tenorite ?
Formula: CuO
Reference: Engineering & Mining Journal 22:57 (July 22, 1876)
Formula: CaTi(SiO4)O
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Dana 4:274 (1854)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Tenorite ?4.AB.10CuO
Group 5 - Nitrates and Carbonates
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
var: Hessonite9.AD.25Ca3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Metals, other than the Platinum Group
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Tenorite ?
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Unclassified Minerals, Mixtures, etc.
var: Hessonite

List of minerals for each chemical element

H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
C CalciteCaCO3
C DolomiteCaMg(CO3)2
O Grossular (var: Hessonite)Ca3Al2(SiO4)3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O DiopsideCaMgSi2O6
O GrossularCa3Al2(SiO4)3
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O TitaniteCaTi(SiO4)O
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O TenoriteCuO
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
Al Grossular (var: Hessonite)Ca3Al2(SiO4)3
Al GrossularCa3Al2(SiO4)3
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si Grossular (var: Hessonite)Ca3Al2(SiO4)3
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si DiopsideCaMgSi2O6
Si GrossularCa3Al2(SiO4)3
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si TitaniteCaTi(SiO4)O
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
S ChalcociteCu2S
Ca Grossular (var: Hessonite)Ca3Al2(SiO4)3
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca DiopsideCaMgSi2O6
Ca GrossularCa3Al2(SiO4)3
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ti TitaniteCaTi(SiO4)O
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu ChalcociteCu2S
Cu CopperCu
Cu TenoriteCuO

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]

Ordovician - Neoproterozoic
443.8 - 1000 Ma

ID: 3012576
Nashoba Formation

Age: Neoproterozoic to Ordovician (443.8 - 1000 Ma)

Stratigraphic Name: Nashoba Formation

Description: Sillimanite schist and gneiss, partly sulfidic, amphibolite, biotite gneiss, calc-silicate gneiss and marble. Nashoba Formation occurs in Nashoba zone of eastern MA. Consists of interlayered sillimanite-bearing, partly sulfidic schist and gneiss, calc-silicate gneiss, and subordinate quartzite and marble. Protoliths were probably volcanogenic sediments interlayered with limy marine sediments. Bell and Alvord (1976) divided Nashoba into 10 members on basis of lithology. Amphibolite is most abundant near presumed base, namely in Boxford Member. Skehan and Abu-Moustafa (1976) divided Nashoba into 30 members based on section in Wachusett-Marlborough tunnel. Although Bell and Alvord's and Skehan and Moustafa's sections contain similar lithologies, Bell and Alvord's is much thicker, and Boxford Member is not readily identified in Skehan and Abu-Moustafa's. Subdivision of Nashoba is conjectural south of Marlborough and Shrewsbury. On MA State bedrock map (Zen and others, 1983) only Boxford Member is separated out from the rest of the Nashoba because this unit was the only member clearly recognized in several area. A definite sequence of members probably does not exist anywhere in the Nashoba because of lenticularity of assemblages and repeated rock types, both of which could be accounted for by either sedimentary or tectonic processes. Although Castle (1965) considered Fish Brook to be either a premetamorphic intrusive rock or a core gneiss of intrusive or sedimentary ancestry, Bell and Alvord (1976) considered it to be volcanic or volcaniclastic in origin. Zircons in Fish Brook are certainly volcanic in origin and yield a date of 730 +/-26 Ma (Olszewski, 1980). If the rock were a core gneiss, that date would apply only to the Fish Brook and not to surrounding rocks; but, Bell and Alvord (1976) believe Fish Brook to be part of the Marlboro Formation-Nashoba Formation sequence and therefore the date does apply to the sequence. In addition, a 1500 Ma date for Shawsheen Gneiss [reference not given] helps bracket age of Marlboro-Nashoba sequence. An upper limit for the sequence was established from the 430 +/-5 Ma age of intruding Sharpers Pond Diorite and 450 +/-23 Ma age of the intruding Andover Granite (Zartman and Naylor, 1984). Although age on MA State bedrock map is shown as Proterozoic Z or Ordovician (due to uncertainty regarding actual rocks sampled by Olszewski and a strong belief that rocks of Nashoba zone correlated with Ordovician rocks to the west), author now feels that rocks of Nashoba zone (except for Tadmuck Brook Schist) are all Proterozoic, but that they are unlike the Proterozoic rocks of neighboring Milford-Dedham zone. [no formal age change made in this report] (Goldsmith, 1991).

Comments: Part of Nashoba Zone (Silurian and Older Rocks). Secondary unit description per MA017. Age debated. MA017 = Although age on MA State bedrock map is shown as Proterozoic Z or Ordovician (due to uncertainty regarding actual rocks sampled by Olszewski and a strong belief that rocks of Nashoba zone correlated with Ordovician rocks to the west), author now feels that rocks of Nashoba zone (except for Tadmuck Brook Schist) are all Proterozoic, but that they are unlike the Proterozoic rocks of neighboring Milford-Dedham zone (Goldsmith, 1991). MA018 = Fish Brook Gneiss of the Nashoba terrane has been dated by G.R. Dunning at 520+14-11 Ma. This not only establishes a Cambrian age for this unit, but constrains the age of the overlying Marlboro and Nashoba Formations to the interval between 520 Ma and 430 Ma, the age of the cross-cutting Sharpners Pond Diorite. No Precambrian rocks, therefore, are known from the Nashoba terrane (Hepburn and others, 1993). MA019 = Fish Brook Gneiss has yielded a Cambrian to Ordovician U/Pb abraded zircon crystallization age of 499+/-6/-3 Ma. This date constrains the age of the metavolcanic and metasedimentary rocks of the Nashoba terrane to the interval between Late Cambrian and Early Silurian (Hepburn and others, 1994). 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:{schist,gneiss}, Minor:{amphibolite,marble,calc silicate rock}

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

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