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Rio Maior, Santarém, Portugali
Regional Level Types
Rio Maior- not defined -
SantarémDistrict
PortugalCountry

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Key
Largest Settlements:
PlacePopulation
Rio Maior12,064 (2018)
Name(s) in local language(s):
Rio Maior, Distrito de Santarém, Portugal


A central region with many lime quarries, salt pans, a basalt quarry and inactive lignite and diatomite mines.

Registered mining concessions (up to 1962):
1749 Azinheira (diatomite), registered on 19-08-1930 (C.M. Rio Maior)
1748 São Paio no. 1 (diatomite), 18-08-1930 (C.M. Rio Maior)
CM17 Espadanal (coal), 04-01-1928
CM18 Quinta da Várzea (coal), 04-01-1928
1603 Espadanal no. 2 (coal), 06-05-1927 (C.M. Espadanal)
1598 Carneira no. 1 (coal), 12-03-1927
1599 Fieis de Deus (coal), 12-03-1927
1579 Lobo Morto (coal), 12-01-1927 (C.M. Quinta da Várzea)
1580 Ponte de São Gregório (coal), 12-01-1927 (C.M. Espadanal)
1573 Casal do Vale da Lagoa (coal), 07-12-1926 (C.M. Quinta da Várzea)
CM3 Rio Maior (diatomite), 04-07-1921
1013 Abum (diatomite), 14-04-1921 (C.M. Rio Maior)
1014 Cidral no. 1 (diatomite) 14-04-1921 (C.M. Rio Maior)
1015 São Paio (diatomite), 14-04-1921 (C.M. Rio Maior)
972 Quinta de São Paio (coal-lignite), 19-10-1920
792 Quinta da Várzea (coal), 16-03-1918 (C.M. Quinta da Várzea)
786 Espadanal (coal), 14-03-1918 (C.M. Espadanal)


Mindat Articles


The Calcite of Estremadura Limstone Massif by Martins da Pedra http://www.mindat.org/article.php/1826

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

6 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!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Localities: Reported from at least 11 localities in this region.
Dolomite
Formula: CaMg(CO3)2
'Fayalite-Forsterite Series'
Reference: Rui Nunes - 23rd January, 2006
Halite
Formula: NaCl
Reference: Museu Mineralógico e Mineiro collection
'Jet'
Reference: Rui Nunes collection
'Limonite'
Formula: (Fe,O,OH,H2O)
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Rui Nunes, 22nd January, 2006
Opal
Formula: SiO2 · nH2O
'Petrified Wood'
Reference: Rui Nunes collection
'Pyroxene Group'
Quartz
Formula: SiO2
Reference: Rui Nunes collection
Quartz var: Jasper
Reference: Rui Nunes collection

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Halite3.AA.20NaCl
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Jet'-
'Limonite'-(Fe,O,OH,H2O)
'Petrified Wood'-
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
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, Mixtures, etc.
'Fayalite-Forsterite Series'-
'Jet'-
'Limonite'-(Fe,O,OH,H2O)
'Petrified Wood'-
'Pyroxene Group'-
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
H OpalSiO2 · nH2O
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O MagnetiteFe2+Fe23+O4
O Limonite(Fe,O,OH,H2O)
O OpalSiO2 · nH2O
O QuartzSiO2
NaSodium
Na HaliteNaCl
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si OpalSiO2 · nH2O
Si QuartzSiO2
ClChlorine
Cl HaliteNaCl
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe Limonite(Fe,O,OH,H2O)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Elementos económicos sobre areias especiais de Porugal Metropolitano relativos a 1969, José Carlos Balaçó Moreira, Geólogo do Serviço de Fomento Mineiro, Boletim de Minas, Lisboa, 8 (1) Jan-Mar 1971, p. 45/50.
Purificação por flutuação em espumas das areias de Rio Maior, Ensaios laboratoriais e perspectivas da sua aplicação industrial, Rolando José Cruz Moreira, Eng. de Minas, colaborador do Serviço de Fomento Mineiro, Boletim de Minas, Lisboa, 8 (2) Abr-Jun 1971, p. 97/112.

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Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

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