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Radiolarite

A rock classification type
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About RadiolariteHide

A siliceous-rock composed predominantly of radiolaria and with porosity greater than 50%.

Wikipedia describes it as follows:
"Radiolarite is a siliceous, comparatively hard, fine-grained, chert-like, and homogeneous sedimentary rock that is composed predominantly of the microscopic remains of radiolarians. This term is also used for indurated radiolarian oozes and sometimes as a synonym of radiolarian earth. However, radiolarian earth is typically regarded by Earth scientists to be the unconsolidated equivalent of a radiolarite. A radiolarian chert is well-bedded, microcrystalline radiolarite that has a well-developed siliceous cement or groundmass."


Unique IdentifiersHide

Mindat ID:
49375
Long-form identifier:
mindat:1:1:49375:6

Similar NamesHide

Classification of RadiolariteHide

Sub-divisions of RadiolariteHide

Mineralogy of RadiolariteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Silica > Opal-CTSiO2 · nH2O
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Silica > OpalSiO2 · nH2O
Silica > Opal-CSiO2 · nH2O
Silica > QuartzSiO2

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Radiolarite associated with QuartzSiO2
1 photo of Radiolarite associated with 'Chert'
1 photo of Radiolarite associated with CalciteCaCO3
1 photo of Radiolarite associated with 'Mudstone'

Internet Links for RadiolariteHide

References for RadiolariteHide

Localities for RadiolariteHide

Showing 35 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Algeria
 
  • Jijel Province
Boukaoud et al. (2021)
Australia
 
  • Western Australia
    • Carnarvon Shire
[Mookaite] Carnarvon Tourist Bureau
        • Mooka Creek
Outback Mining +1 other reference
www.outbackmining.com.au (n.d.)
Fetherston et al. (2013) +1 other reference
Austria
 
  • Salzburg
    • Tamsweg District
      • Tweng
        • Fuchs Alp - Fuchs lake area
- (n.d.)
  • Tyrol
Klier (2005)
Bosnia and Herzegovina
 
  • Federation of Bosnia and Herzegovina
    • Zenica-Doboj Canton
      • Vareš
Vokić (2024)
  • Republika Srpska
    • Doboj
Ustalić et al. (2024)
Canada
 
  • Yukon
    • Mayo mining district
      • Macmillan Pass
Grema et al. (2024)
Cuba
 
  • Holguín Province
Costafreda et al. (2024)
Germany
 
  • Hesse
    • Kassel Region
      • Waldeck-Frankenberg
        • Korbach
          • Goldhausen
Krul (1969)
Greece
 
Tsikouras et al. (2006)
  • Thessaly
    • Trikala
Pomonis et al. (2005)
Hungary
 
  • Heves County
    • Pétervására District
      • Sirok
MOLNÁR et al. (2015) +1 other reference
India
 
  • Andaman and Nicobar Islands
    • Andaman Islands
Barman et al. (2016)
Iran
 
  • Fars Province
    • Neyriz County
Taghipour et al. (2018)
  • Kurdistan Province
    • Divandarreh County
Moinevaziri (2019)
  • South Khorasan Province
    • Nehbandan County
Pourkaseb et al. (2017)
Italy
 
  • Piedmont
    • Metropolitan City of Turin
      • Cesana Torinese
Parona (1892)
Martin et al. (1984) +1 other reference
  • Tuscany
    • Livorno Province
      • Livorno
        • Montenero
Bonifazi (2020)
    • Pisa Province
      • Montecatini Val di Cecina
Dini et al. (2024)
Malaysia
 
  • Sabah
Tian et al. (2024)
Pacific Ocean
 
  • Mariana forearc
Anne Marie Karpoff et al. (1992)
Pakistan
 
  • Gilgit-Baltistan
    • Roundu District
      • Haramosh Mountains
Rolfo et al. (1997)
Switzerland
 
  • Grisons
    • Albula Region
      • Surses
        • Tinizong (Tinzen)
Brugger et al. (1999)
Turkey
 
  • Balikesir Province
    • Kepsut District
Cengiz et al. (2025)
  • Elazığ Province
    • Maden District
Öztürk et al. (2026)
  • Erzurum Province
    • Şenkaya District
El-Raouf et al. (2024)
  • Gaziantep Province
    • Şehitkamil District
Yıldırım et al. (2016)
  • Sivas Province
    • Kangal District
Koptagel et al. (1997)
  • Yozgat Province
    • Sorgun District
Oksuz (2018)
    • Yozgat District
Oksuz (2018)
 
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