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Calvin Mitchell farm, De Kalb, De Kalb Township, St. Lawrence Co., New York, USAi
Regional Level Types
Calvin Mitchell farmFarm
De Kalb- not defined -
De Kalb TownshipTownship
St. Lawrence Co.County
New YorkState
USACountry

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Key
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Latitude & Longitude (WGS84): 44° 27' 1'' North , 75° 19' 36'' West
Latitude & Longitude (decimal): 44.45028,-75.32667
GeoHash:G#: drfkvguv9
Locality type:Farm
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Richville320 (2017)6.3km
De Kalb Junction519 (2017)7.4km
Hermon406 (2017)7.9km
Edwards439 (2017)15.2km
Rensselaer Falls322 (2017)15.8km


Talc filled pockets in a calcareous meta sediment.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Steven C. Chamberlain & George W. Robinson (2013) Collector's Guide to the Minerals of New York State. Schiffer Books.
Diopside
Formula: CaMgSi2O6
Reference: Rocks & Minerals 82:472-483
Quartz
Formula: SiO2
Reference: Rocks & Minerals 82:472-483
Talc
Formula: Mg3Si4O10(OH)2
Reference: Rocks & Minerals 82:472-483
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Rocks & Minerals 82:472-483

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Diopside9.DA.15CaMgSi2O6
Talc9.EC.05Mg3Si4O10(OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)

List of minerals for each chemical element

HHydrogen
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H TalcMg3Si4O10(OH)2
OOxygen
O DiopsideCaMgSi2O6
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O QuartzSiO2
O TalcMg3Si4O10(OH)2
O AlbiteNa(AlSi3O8)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
SiSilicon
Si DiopsideCaMgSi2O6
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si AlbiteNa(AlSi3O8)
CaCalcium
Ca DiopsideCaMgSi2O6
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2

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

Mesoproterozoic
1000 - 1600 Ma



ID: 2759070
Biotite-quartz-plagioclase paragneiss

Age: Mesoproterozoic (1000 - 1600 Ma)

Description: Commonly very low in biotite content, with interbedded feldspathic and biotitic quartzite and amphibolite; sillimanite and garnet common, graphite sporadic.

Comments: Original map source: NYS Museum, NYS Geological Survey, NYS Museum Technology Center, 1999, bedrock geology of NYS data is distributed in ARC/INFOr EXPORT format (with '.e00' extension) in 5 seperate files based on 1970 printed map sheets, scale 1:250,000.

Lithology: Major:{paragneiss}, Minor:{quartzite,amphibolite}

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]

Ectasian
1200 - 1400 Ma



ID: 3184499
Mesoproterozoic sedimentary rocks

Age: Ectasian (1200 - 1400 Ma)

Lithology: Marble

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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Robinson G. W.(1990): Famous Mineral Localities: De Kalb, New York; Mineralogical Record: 21(6): 535-544.
Rocks & Minerals (2007): 82: 472-483.


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