| Locality type: | Quarry |
| Classification |
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| Species: | Nepheline |
| Formula: | Na3K(Al4Si4O16) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Nepheline data |
| Locality Data: | Click here to view Old nephelinite quarry, Siedlec, Gmina Izbicko, Strzelce County, Opole Voivodeship, Poland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1303921 |
| Long-form Identifier: | 1:3:1303921:5 |
| GUID (UUID V4): | c3061cd6-b398-4a2e-9972-43a2b3db2bff |
| Nearest other occurrences of Nepheline |
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| 0.0km (0.0 miles) | ⓘSiedlec, Gmina Izbicko, Strzelce County, Opole Voivodeship, Poland |
| 7.7km (4.8 miles) | ⓘSt. Anne Mountain Geopark Quarry, Góra Świętej Anny, Gmina Leśnica, Strzelce County, Opole Voivodeship, Poland |
| 8.6km (5.4 miles) | ⓘNephelinic basalt boulders, Gmina Zdzieszowice, Krapkowice County, Opole Voivodeship, Poland |
| 32.5km (20.2 miles) | ⓘRutki-Ligota basanite quarry, Ligota Tułowicka, Gmina Tułowice, Opole County, Opole Voivodeship, Poland |
| 43.7km (27.1 miles) | ⓘZeolitized basaltic tuffs, Gracze basanite quarry, Molestowice, Gmina Niemodlin, Opole County, Opole Voivodeship, Poland |
| 63.3km (39.4 miles) | ⓘOrzeł Biały dumps, Orzeł Biały mine, Brzeziny Śląskie, Piekary Śląskie, Silesian Voivodeship, Poland |
| 75.1km (46.7 miles) | ⓘPogroda quarry, Gmina Przeworno, Strzelin County, Lower Silesian Voivodeship, Poland |
| 76.6km (47.6 miles) | ⓘNízký Jeseník Upland, Bruntál District, Moravian-Silesian Region, Czech Republic |
| 77.1km (47.9 miles) | ⓘUhlířský vrch, Bruntál, Bruntál District, Moravian-Silesian Region, Czech Republic |
| 84.4km (52.4 miles) | ⓘZálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic |
| References |
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| Reference Search (possible matching items) |
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 | Ulrych, J., Lloyd, F. E., Balogh, K., Hegner, E., Langrová, A., Lang, M., Novák, J. K., Řanda, Z. (2005) Petrogenesis of alkali pyroxenite and ijolite xenoliths from the Tertiary Loučná–Oberwiesenthal Volcanic Centre, Bohemian Massif in the light of new mineralogical, geochemical, and isotopic data. Neues Jahrbuch für Mineralogie - Abhandlungen, 182 (1) 57-79 doi:10.1127/0077-7757/2005/0029 | Journal (article/letter/editorial) | | and ijolite xenoliths occur in ca. 37– 30 Ma old nephelinite of the Loučná – Oberwiesenthal Volcanic Centre...whereas ijolite xenoliths are rare. The host nephelinite is chemically evolved (Mg# 47– 46), and the entrained...+ 2.3 in clinopyroxene samples from the host nephelinite and + 3.1 to + 3.0 in clinopyroxene from the...inferred from the isotopic composition of the host nephelinite yielding an initial 87Sr/86Sr of 0.70368 and...Introduction Nephelinites, composed predominantly of nepheline and clinopyroxene, are the most common highly |  | | Journal (article/letter/editorial) | | Implications for the origin and evolution of nephelinite lavas A. Simonetti ‘*, K. Bell Ottawa-Carleton...Elgon nephelinites are similar to those from the nephelinite lavas from the Tertiary Napak volcano, Uganda...1994a). The diopside phenocrysts from Mount Elgon nephelinite lavas reveal large core-to-rim compositional...types of peralkaline nephelinite lavas from the only active carbonatite-nephelinite volcano, Oldoinyo Lengai...phenocryst phases, such as olivine, clinopyroxene, nepheline, and Fe-Ti oxides (e.g. Peterson, 1989a, b) . |  | | Book (volume) | | bifacial ~ools appear to have been blocked out at the quarry sites. In bipolar flaking many of the jettisoned...movements to the cast. If Tuff IVB is taken as 0.7 m.y. old, then relative strata! thickm:sscs in Beds Ill and...of Bed 111. The top of Bed IV is about 0.6 m.y. old if one a:-.sume:-. that lkd IV sediments above Tuff...gully, which drains to the south have cut into the old river channel ' 17 K 1. , kn mm. idth 160...include a large, well-made elongate ovate of nephelinite, a massive quartzite pick, a small quartzite |
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