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Middleville, Town of Newport, Herkimer Co., New York, USA

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Latitude & Longitude (WGS84): 43° 8' 19'' North , 74° 58' 7'' West
Latitude & Longitude (decimal): 43.13861,-74.96861
GeoHash:G#: drdtqj1s8
Köppen climate type:Dfb : Warm-summer humid continental climate


The village of Middleville straddles the Newport/Fairfield line. Both the Ace of Diamonds Mine and the Herkimer Diamond Mine are west of West Canada Creek in the town of Newport.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

4 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: James Dwight Dana (1896) Manual of Mineralogy and Petrography:
Dolomite
Formula: CaMg(CO3)2
Reference: James Dwight Dana (1896) Manual of Mineralogy and Petrography:
Glauconite
Formula: (K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Reference: NY State Museum spec. no. 16158
'Ozocerite'
Reference: Stanley B. Keith specimen
'Petroleum'
Reference: Dr. Stanley B. Keith specimens
'Pyrobitumen'
Quartz
Formula: SiO2
Reference: James Dwight Dana (1896) Manual of Mineralogy and Petrography:
Quartz var: "Herkimer-style" Quartz
Formula: SiO2
Reference: [www.johnbetts-fineminerals.com]

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: "Herkimer-style" Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Unclassified Minerals, Rocks, etc.
Glauconite-(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Ozocerite-
Petroleum-
Pyrobitumen-

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Glauconite71.2.2a.5(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Ozocerite'-
'Petroleum'-
'Pyrobitumen'-
Quartz
var: "Herkimer-style" Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O Quartz (var: "Herkimer-style" Quartz)SiO2
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
O QuartzSiO2
NaSodium
Na Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
AlAluminium
Al Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
SiSilicon
Si Quartz (var: "Herkimer-style" Quartz)SiO2
Si Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Si QuartzSiO2
KPotassium
K Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(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

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

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]

Early Ordovician - Furongian
470 - 497 Ma



ID: 2836916
Beekmantown Group

Age: Paleozoic (470 - 497 Ma)

Stratigraphic Name: Beekmantown Group

Description: Mohawk Valley: Little Falls Dolostone-chert; Hoyt Formation-limestone, dolostone, oolite. Washington county: Whitehall Formation-dolostone, limestone; Ticonderoga Dolostone-chert.

Comments: part of Beekmantown and Stockbridge Groups, Potsdam Sandstone, and Vermont Valley Sequence up to 3500 ft. (1100 m). Secondary unit descriptions from USGS Lexicon website (Ref. NY046) and references NY037, NY038, NY039, NY040 and NY041. The Beekmantown Group in east-central NY includes the (ascending) Potsdam Sandstone, Ticonderoga Formation, Whitehall Formation, Great Meadows Formation, Fort Ann Formation, and Fort Cassin Formation. The Cambrian-Ordovician boundary is within the Whitehall Formation, and therefore, the Beekmantown Group is of Late Cambrian to Early Ordovician age (Croixian to Canadian). Unit overlies the Lake George Group and underlies the Black River Group (Fisher, 1984). Paleozoic cover sequence adjacent to Adirondack massif in western part of Glens Falls quad consists of (ascending): Late Cambrian Potsdam Sandstone, Late Cambrian Ticonderoga Formation, Late Cambrian and Early Ordovician Beekmantown Group (with Whitehall Formation at base), early Middle Ordovician Chazy Group, Middle Ordovician Black River and Trenton Groups, and Mohawk Valley shales (Canajoharie Shale and Snake Hill Formation). Potsdam and Ticonderoga are partly correlative with Danby Formation of Middlebury synclinorium in VT. Beekmantown and part of Chazy correlate directly with limestones and dolomites above Danby. Paleozoic cover sequence is interpreted as a platform sequence. [Text states Beekmantown "as used by Fisher (1984)", but this appears to be an error because Fisher (1984) included Potsdam and Ticonderoga in his Beekmantown. Fisher (1977) abandoned Canajoharie but USGS still recognizes it.] (Thompson, 1990). Little Falls - Unit is well known for its exceptionally clear, doubly terminated quartz crystals, known as "diamonds" and for the irregular masses of algal stromatolites, which occur at several levels, particularly in informal unit B. Brachiopods have been reported at several localities, but except for the stromatolites, the unit, for the most part, is unfossiliferous. Lithology is quite varied. Though dolostone is predominant, sandstone and mixed sandstone and dolostone beds are common. The mineralogy of the Little Falls is extremely varied. Unit includes quartz, calcite, dolomite, pyrite, marcasite, galena, sphalerite, limonite, chalcopyrite, hematite, glauconite, and anthraxolite. Inferred age of the quartz crystals is Carboniferous, while deposition of the limestone occurred during the Late Cambrian (Muskatt and Tollerton, 1992). Hoyt - Named the Hoyt limestone member of the Little Falls dolomite for Hoyt's quarry, Saratoga Co., eastern NY. Unit is basal phase of the Little Falls. Consists of blackish, subcrystalline, pure or only slightly magnesian limestone alternating with beds of blue and light gray dolomite; quartz sand grains in some of the beds, increasing in amount below; contains many beds of black oolite, most abundant near the base. Fossils include Cryptozoan, trilobites, gastropods, and LINGULEPIS ACUMINATA at many horizons. Thickness is 80 to 120 feet. Gradationally overlies the Potsdam sandstone and underlies the remainder of the Little Falls dolomite. Unit occurs locally. The Hoyt is of Late Cambrian age (Ulrich and Cushing, 1910). The base of the Whitehall formation is raised to coincide with contact of Little Falls dolomite and Hoyt limestone, and Hoyt is revised as lower member of Whitehall formation. The Hoyt limestone member is about 40 feet thick and underlies the Skene dolomite member (Wheeler, 1942). 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:{dolostone}, Minor:{limestone,chert}

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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