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Techereu (Tekerő), Hunedoara, Romaniai
Regional Level Types
Techereu (Tekerő)- not defined -
HunedoaraCounty
RomaniaCountry

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Latitude & Longitude (WGS84): 46° 5' 33'' North , 23° 4' 9'' East
Latitude & Longitude (decimal): 46.09250,23.06917
GeoHash:G#: u80qhyykq
Köppen climate type:Dfb : Warm-summer humid continental climate


Five genetic types of quartz varieties are present: (1) chalcedonies associated to the Mesozoic “ophiolitic” complex; (2) polychromatic jaspers in Cretaceous conglomerates; (3) variously-coloured chalcedonies in Paleogene rhyolites; (4) siliceous nodules, jaspers and silicified wood within the Almaşu Mare Gravel (Badenian); (5) reworked chalcedonies and jaspers in Quaternary deposits.

Regions containing this locality

Golden Quadrangle (Golden Quadrilateral; Apuseni District), Romania

Quadrangle - 199 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Bloodstone'
Formula: SiO2
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
'Flint'
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Opal
Formula: SiO2 · nH2O
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Opal var: Milk Opal
Formula: SiO2 · nH2O
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Quartz
Formula: SiO2
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Quartz var: Agate
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Quartz var: Carnelian
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Quartz var: Chalcedony
Formula: SiO2
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Quartz var: Jasper
Reference: Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Milk Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Carnelian4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Jasper4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
Bloodstone-SiO2
Flint-

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Rocks, etc.
'Bloodstone'-SiO2
'Flint'-
Opal
var: Milk Opal
-SiO2 · nH2O
Quartz
var: Agate
-SiO2
var: Carnelian-SiO2
var: Chalcedony-SiO2
var: Jasper-SiO2

List of minerals for each chemical element

HHydrogen
H Opal (var: Milk Opal)SiO2 · nH2O
H OpalSiO2 · nH2O
OOxygen
O BloodstoneSiO2
O Quartz (var: Chalcedony)SiO2
O Opal (var: Milk Opal)SiO2 · nH2O
O OpalSiO2 · nH2O
O QuartzSiO2
SiSilicon
Si BloodstoneSiO2
Si Quartz (var: Chalcedony)SiO2
Si Opal (var: Milk Opal)SiO2 · nH2O
Si OpalSiO2 · nH2O
Si QuartzSiO2

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

Cretaceous
66 - 145 Ma



ID: 3188607
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

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]

Middle Jurassic - Early Jurassic
163.5 - 201.3 Ma



ID: 3154733
ophiolite complex

Age: Jurassic (163.5 - 201.3 Ma)

Lithology: Tholeiitic basalt

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Zepharovich, V. (1859): Mineralogisches Lexicon für das Kaiserthum Österreich. I. Band. Wilhelm Braumüller, Wien.
Koch, A. (1885): Erdély ásványainak kritikai átnézete [Critical review of the minerals of Transylvania]. Orvos-Természettud. Társulat, Kolozsvár (in Hungarian).
Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Mârza, I. (1999): Câmpul gemologic Techereu [The Techereu gemological field]. Studia Universitatis Babeş-Bolyai, Geologia, 44/1, 57-66 (in Romanian with English abstract).
Mârza, I., Constantina, C., Fodor, Ş. & Bodnariuc, A. (1999): Mineralogical and gemological considerations about silicolites in association with Paleogene rhyolites from Techereu (Apuseni Mountains). Studia Universitatis Babeş-Bolyai, Geologia, 44/1, 119-128.


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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