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Pedernal, Bajo Chacones, San José Province, Costa Ricai
Regional Level Types
Pedernal- not defined -
Bajo Chacones- not defined -
San José ProvinceProvince
Costa RicaCountry

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Zeolite Veins cutting volcanic ash 1993

Pedernal, Bajo Chacones, San José Province, Costa Rica
Tschernichite roadcut Pedernal 1993 b

Pedernal, Bajo Chacones, San José Province, Costa Rica
Zeolite Veins cutting volcanic ash 1993

Pedernal, Bajo Chacones, San José Province, Costa Rica
Tschernichite roadcut Pedernal 1993 b

Pedernal, Bajo Chacones, San José Province, Costa Rica
Zeolite Veins cutting volcanic ash 1993

Pedernal, Bajo Chacones, San José Province, Costa Rica
Latitude & Longitude (WGS84): 9° 48' 33'' North , 84° 19' 40'' West
Latitude & Longitude (decimal): 9.80929,-84.32782
GeoHash:G#: d1spc1dr7
Köppen climate type:Am : Tropical monsoon climate
Nearest Settlements:
PlacePopulationDistance
Santiago8,292 (2016)4.4km
San Rafael Abajo27,419 (2016)4.8km
Tejar22,433 (2018)12.5km
Palmichal1,545 (2018)13.8km
Colón9,687 (2016)15.1km


Zeolites are found in clay-lined vesicles in the Upper Miocene andesite conglomerates of the La Cruz Formation along the road north of Pedernal. They were exposed by a slide which removed the vegetation in 1992.

Regions containing this locality

Central AmericaRegion
Panama PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Rudy Tschernich
Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Reference: Rudy Tschernich
Cowlesite
Formula: CaAl2Si3O10 · 6H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Epistilbite
Formula: CaAl2Si6O16 · 5H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Garronite-Ca
Formula: Na2Ca5Al12Si20O64 · 27H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Goethite
Formula: α-Fe3+O(OH)
Reference: Micro Probe Volume VII Number 7 Spring 1993
'Heulandite subgroup'
Reference: Micro Probe Volume VII Number 7 Spring 1993
'Lévyne'
Reference: Micro Probe Volume VII Number 7 Spring 1993
Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Offretite
Formula: KCaMg(Si13Al5)O36 · 15H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Okenite
Formula: Ca10Si18O46 · 18H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
'Phillipsite'
Reference: Micro Probe Volume VII Number 7 Spring 1993
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
'Stilbite subgroup'
Reference: Rudy Tschernich
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993
Tschernichite
Formula: (Ca,Na2)[Al2Si4O12] · 4-8H2O
Reference: Micro Probe Volume VII Number 7 Spring 1993

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Chabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Cowlesite9.GG.05CaAl2Si3O10 · 6H2O
Epistilbite9.GD.45CaAl2Si6O16 · 5H2O
Garronite-Ca9.GC.05Na2Ca5Al12Si20O64 · 27H2O
Mesolite9.GA.05Na2Ca2Si9Al6O30 · 8H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Offretite9.GD.25KCaMg(Si13Al5)O36 · 15H2O
Okenite9.EA.40Ca10Si18O46 · 18H2O
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Tschernichite9.GF.30(Ca,Na2)[Al2Si4O12] · 4-8H2O
Unclassified Minerals, Rocks, etc.
'Heulandite subgroup'-
'Lévyne'-
'Phillipsite'-
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB3X7
Todorokite7.8.1.1(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Okenite72.3.2.5Ca10Si18O46 · 18H2O
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Chabazite-Ca77.1.2.1(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Cowlesite77.1.5.8CaAl2Si3O10 · 6H2O
Epistilbite77.1.6.2CaAl2Si6O16 · 5H2O
Garronite-Ca77.1.3.3Na2Ca5Al12Si20O64 · 27H2O
'Lévyne'77.1.2.8
Mesolite77.1.5.4Na2Ca2Si9Al6O30 · 8H2O
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Offretite77.1.2.4KCaMg(Si13Al5)O36 · 15H2O
Scolecite77.1.5.5CaAl2Si3O10 · 3H2O
Tschernichite77.1.8.2(Ca,Na2)[Al2Si4O12] · 4-8H2O
Unclassified Minerals, Mixtures, etc.
'Heulandite subgroup'-
'Phillipsite'-
'Stilbite subgroup'-
Thomsonite-Ca-NaCa2[Al5Si5O20] · 6H2O

List of minerals for each chemical element

HHydrogen
H CowlesiteCaAl2Si3O10 · 6H2O
H EpistilbiteCaAl2Si6O16 · 5H2O
H Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
H MesoliteNa2Ca2Si9Al6O30 · 8H2O
H ScoleciteCaAl2Si3O10 · 3H2O
H OkeniteCa10Si18O46 · 18H2O
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
H Goethiteα-Fe3+O(OH)
H Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H OffretiteKCaMg(Si13Al5)O36 · 15H2O
H Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
CCarbon
C CalciteCaCO3
OOxygen
O CowlesiteCaAl2Si3O10 · 6H2O
O EpistilbiteCaAl2Si6O16 · 5H2O
O Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
O MesoliteNa2Ca2Si9Al6O30 · 8H2O
O ScoleciteCaAl2Si3O10 · 3H2O
O OkeniteCa10Si18O46 · 18H2O
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O Goethiteα-Fe3+O(OH)
O Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O OffretiteKCaMg(Si13Al5)O36 · 15H2O
O Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
O CalciteCaCO3
NaSodium
Na Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Na MesoliteNa2Ca2Si9Al6O30 · 8H2O
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Na Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
MgMagnesium
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mg OffretiteKCaMg(Si13Al5)O36 · 15H2O
AlAluminium
Al CowlesiteCaAl2Si3O10 · 6H2O
Al EpistilbiteCaAl2Si6O16 · 5H2O
Al Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Al MesoliteNa2Ca2Si9Al6O30 · 8H2O
Al ScoleciteCaAl2Si3O10 · 3H2O
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Al Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al OffretiteKCaMg(Si13Al5)O36 · 15H2O
Al Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
SiSilicon
Si CowlesiteCaAl2Si3O10 · 6H2O
Si EpistilbiteCaAl2Si6O16 · 5H2O
Si Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Si MesoliteNa2Ca2Si9Al6O30 · 8H2O
Si ScoleciteCaAl2Si3O10 · 3H2O
Si OkeniteCa10Si18O46 · 18H2O
Si Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si OffretiteKCaMg(Si13Al5)O36 · 15H2O
Si Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
KPotassium
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K OffretiteKCaMg(Si13Al5)O36 · 15H2O
CaCalcium
Ca CowlesiteCaAl2Si3O10 · 6H2O
Ca EpistilbiteCaAl2Si6O16 · 5H2O
Ca Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Ca MesoliteNa2Ca2Si9Al6O30 · 8H2O
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca OkeniteCa10Si18O46 · 18H2O
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Ca Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca OffretiteKCaMg(Si13Al5)O36 · 15H2O
Ca Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Ca CalciteCaCO3
MnManganese
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FeIron
Fe Goethiteα-Fe3+O(OH)
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
BaBarium
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O

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

Quaternary
0 - 2.588 Ma



ID: 3190896
Cenozoic sedimentary rocks

Age: Pleistocene (0 - 2.588 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]

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)
Tschernich, R.W. and Boyd, R. (1992) Preliminary report on the second occurrence of Tschernichite. Micro Probe, 7(6), 4-6.
Tschernich, R.W. (1993) Epistilbite and associated minerals from Pedernal, Costa Rica. Micro Probe, 7(7), 10-14.


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