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Kalnciems Dolomite Quarry, Valgunde Parish, Jelgava Municipality, Zemgale Region, Latviai
Regional Level Types
Kalnciems Dolomite QuarryQuarry
Valgunde ParishParish
Jelgava MunicipalityMunicipality
Zemgale RegionRegion
LatviaCountry

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Name(s) in local language(s):Kalnciema Dolomīta Karjers, Valgundes pagasts, Jelgavas novads, Zemgales reģions, Latvija
Latitude & Longitude (WGS84): 56° 52' 10'' North , 23° 33' 41'' East
Latitude & Longitude (decimal): 56.86962,23.56155
GeoHash:G#: ud0g80ucx
Locality type:Quarry
Age:382.7 ± 1.6 to 358.9 ± 0.4 Ma
Geologic Time:Late Devonian
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Tīreļi2,103 (2016)3.7km
Smārde734 (2016)16.5km
Jūrmala54,088 (2016)16.7km
Ragaciems670 (2016)17.4km
Klapkalnciems160 (2016)22.2km


Kalnciems Dolomite Quarry is Late Devonian time dolomite deposit and it is located in the Lielupe river left bank. The valid layer dolomite thickness is 2-6 m. Compared to other deposits in the Kalnciems Quarry is up to 12 m of soft clay layer, which covers the devonian time dolomite.

In the 30's of the last century there were mining operations for the extraction of dolomite, but later, in Soviet Union time here was the dolomite crushed stone factory. After Restoration of Independence of Latvia in the 90's quarry production was suspended.
At the moment, the production is restored and every year quarry extracted 2 ha of dolomite. The extracted dolomite is used for the crushed stone production.

In quarry can find attractive druzes of yellow calcite, interesting finds of green calcite (colored in green colour by clay inclusions). In some crystals can see manganese oxides (psilomelane) inclusions. Also can find gypsum specimens with celestine crystals in it, hematite pseudomorph after pyrite concretions (some of them contain radial crystals of goethite) and just small pyrite crystals. On some rare dolomite druses can find yellow calcite crystals.

In mineralogical plan for Latvia, this quarry is considered to be very rich.

Regions containing this locality

Eurasian PlateTectonic Plate
Soviet Union (1922-1991)Country (Former)
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Habit: Yellow, green, white calcite "brushes" in dolomite rock matrix.
Colour: Yellow, green, white. Brown, red spots on green (illite) calcite - very rare.
Fluorescence: Not fluoresces.
Description: Rare samples of yellow and white calcite. Sometimes there can find a small calcite specimens with a green touch of illite.
Reference: Dmitry Vorobjov's Collection; Dmitry Vorobjov's collection
Celestine
Formula: SrSO4
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 15 page.
'Clays'
Reference: Dmitry Vorobjov's collection
Dolomite
Formula: CaMg(CO3)2
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf -15 lpp.
Goethite
Formula: α-Fe3+O(OH)
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 16 page.
Gypsum
Formula: CaSO4 · 2H2O
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 17 lpp.
Hematite
Formula: Fe2O3
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 19 page.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: https://lv.wikipedia.org/wiki/M%C4%81ls
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: https://lv.wikipedia.org/wiki/M%C4%81ls file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 22 page.
'Psilomelane'
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 22-23 page.
Pyrite
Formula: FeS2
Reference: file:///C:/Users/Asus/Desktop/New%20Folder/Latvijas%20minerali%20un%20iezi.pdf - 24 page.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Unclassified Minerals, Rocks, etc.
'Clays'-
'Psilomelane'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Unclassified Minerals, Mixtures, etc.
'Clays'-
'Psilomelane'-

List of minerals for each chemical element

HHydrogen
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O DolomiteCaMg(CO3)2
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O GypsumCaSO4 · 2H2O
O CelestineSrSO4
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S PyriteFeS2
S GypsumCaSO4 · 2H2O
S CelestineSrSO4
KPotassium
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe PyriteFeS2
SrStrontium
Sr CelestineSrSO4

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

Neogene
2.588 - 23.03 Ma



ID: 3185662
Cenozoic sedimentary rocks

Age: Neogene (2.588 - 23.03 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]

Late Devonian
358.9 - 382.7 Ma



ID: 3134419
Late Devonian undifferentiated

Age: Late Devonian (358.9 - 382.7 Ma)

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

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

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