Kalnciems-2 Quarry, Kalnciems, Valgunde Parish, Jelgava Municipality, Zemgale Region, Latviai
| Regional Level Types | |
|---|---|
| Kalnciems-2 Quarry | Quarry |
| Kalnciems | Village |
| Valgunde Parish | Parish |
| Jelgava Municipality | Municipality |
| Zemgale Region | Region |
| Latvia | Country |
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Latitude & Longitude (WGS84):
56° 52' 10'' North , 23° 33' 41'' East
Latitude & Longitude (decimal):
Type:
Deposit first discovered:
1983
Age:
382.7 ± 1.6 to 358.9 ± 0.4 Ma
Geologic Time:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Tīreļi | 2,103 (2016) | 3.7km |
| Smārde | 734 (2016) | 16.5km |
| Jūrmala | 54,088 (2016) | 16.7km |
| Ragaciems | 670 (2016) | 17.4km |
| Klapkalnciems | 160 (2016) | 22.2km |
Mindat Locality ID:
297969
Long-form identifier:
mindat:1:2:297969:7
GUID (UUID V4):
6ab7df9c-7acb-4d47-b3ea-1ddda3063990
Name(s) in local language(s):
Kalnciema Dolomīta Karjers, Valgundes pagasts, Jelgavas novads, Zemgales reģions, Latvija
Kalnciems-2 Quarry is a Late Devonian (Daugava suite, Salaspils suie) dolomite deposit located on the Lielupe river left bank. The valid dolomite layer thickness is 2-6 m. Compared to other deposits, the Kalnciems Quarry contains up to 12 m layer of clay, which covers the dolomite.
In the 1930s, there were mining operations for the extraction of dolomite in small stone pits. In 1983 in the main part of the quarry stone mining was started. Later, a dolomite crushed stone factory was built, but in the early '90s quarry production was suspended. At the moment, the production is restored and every year the quarry extracts about 2 ha of dolomite. The extracted dolomite is used for crushed stone production.
In the quarry, one can find attractive druzes of yellow calcite and interesting finds of green calcite (coloured by clay inclusions). In some crystals, one can see manganese oxides (psilomelane?) inclusions. Also one can find gypsum specimens with celestine crystals in it (Daugava suite gypsum), goethite pseudomorphs after pyrite concretions (some of them have radial structure) and just small pyrite crystals. On some rare dolomite druses, one can find yellow calcite crystals.
In 2021, the quarry was worked out and flooded.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ✪ Calcite Formula: CaCO3 Description: Rare samples of yellow and white calcite. Sometimes there can find a small calcite specimens with a green touch of illite. References: |
| ⓘ Celestine Formula: SrSO4 References: |
| ⓘ 'Clay minerals' References: |
| ⓘ Dolomite Formula: CaMg(CO3)2 References: |
| ⓘ Goethite Formula: α-Fe3+O(OH) References: |
| ⓘ Gypsum Formula: CaSO4 · 2H2O References: |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Muscovite var. Illite Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| ⓘ 'Psilomelane' References: |
| ⓘ Pyrite Formula: FeS2 References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | α-Fe3+O(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Celestine | 7.AD.35 | SrSO4 |
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 9 - Silicates | |||
| ⓘ | Muscovite var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| ⓘ | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
| Unclassified | |||
| ⓘ | 'Clay minerals' | - | |
| ⓘ | 'Psilomelane' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | α-Fe3+O(OH) |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Celestine | SrSO4 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Goethite | α-Fe3+O(OH) |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Al | Aluminium | |
| Al | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| S | Sulfur | |
| S | ⓘ Celestine | SrSO4 |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| S | ⓘ Pyrite | FeS2 |
| K | Potassium | |
| K | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Fe | Iron | |
| Fe | ⓘ Goethite | α-Fe3+O(OH) |
| Fe | ⓘ Pyrite | FeS2 |
| Sr | Strontium | |
| Sr | ⓘ Celestine | SrSO4 |
Other Databases
| Wikipedia: | https://sv.wikipedia.org/wiki/Kalnciema_Dolom%C4%ABta_Karjers |
|---|---|
| Wikidata ID: | Q27487184 |
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