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Montijos quarry, Monte Redondo, Leiria, Leiria, Portugali
Regional Level Types
Montijos quarryQuarry
Monte RedondoMountain
Leiria- not defined -
LeiriaDistrict
PortugalCountry

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Key
Latitude & Longitude (WGS84):
39° 53' 1'' North , 8° 50' 37'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Monte Redondo4,463 (2018)2.0km
Monte Real5,756 (2018)3.9km
Souto da Carpalhosa4,130 (2018)4.0km
Vieira de Leiria5,807 (2012)7.7km
Amor4,870 (2018)9.0km
Name(s) in local language(s):
Pedreira dos Montijos, Monte Redondo, Leiria, Distrito de Leiria, Portugal


Inactive dolerite/ophite quarry.

In the area known as "Montijos quarry" there were three distinct mining concessions:
1 - "Quinta dos Montijos" concession no. 1102, exploited by Pedreiras de Monte Redondo, Lda, closed on August 17, 1966.
2 - "Montijos no. 1" concession no. 1323, exploited by Domingos Pereira Amado and Others, closed on January 24, 1972.
3 - "Cabeço da Quinta" concession no. 917, exploited by Sociedade de Paralelepípedos do Sul, Lda, closed on May 31, 1973.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


20 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
Formula: Na(AlSi3O8)
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Albite var: Oligoclase-Albite
Formula: Na(AlSi3O8)
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Rui Nunes 2001
'Amphibole Supergroup var: Byssolite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Rui Nunes 2001
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Arsenopyrite
Formula: FeAsS
Reference: Rui Nunes 2012
Calcite
Formula: CaCO3
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Reference: Rui Nunes 2012
'Feldspar Group'
Reference: Rui Nunes visits 2010 - 2015
Ferro-actinolite
Formula: ☐{Ca2}{Fe2+5}(Si8O22)(OH)2
Reference: Rui Nunes
Fluorapatite
Formula: Ca5(PO4)3F
Gypsum
Formula: CaSO4 · 2H2O
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
Hematite var: Specularite
Formula: Fe2O3
Reference: Martins da Pedra collection
'Hornblende'
Ilmenite
Formula: Fe2+TiO3
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Martins da Pedra collection
Magnesio-hornblende
Formula: ☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Reference: Rui Nunes
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Rui Nunes collection
Orthoclase ?
Formula: K(AlSi3O8)
Reference: Rui Nunes 2006
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pumpellyite-(Fe2+)
Formula: Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Description: According to the microprobe/EDS test here they are the results of the analysed pumpellyite from Montijos: Atomic -%: Ca28 Mg2 Fe5 Al26 Si39 Oxygen not dosed Calculation on 8 a. p. f. u. : Ca2.0 (Fe0.4 Mg0.2 Ca0.2)0.8 Al2.1 (SiO4)1.0 (Si2O7)1.0 - (8 apfu) Checked the oxidation state of Fe (dissolution in HF, and addition of KSCN: no coloration = absence of Fe3+) Checked the mineral with XRD diffraction: the diffraction diagramm is identical to minerals of pumpellyite structural group In: Pimentel, Ricardo; Nunes, Rui; De Ascenção Guedes, Roger; Meisser, Nicolas; Martaud, Alain (2009): Minéralogie de la Carrière de Montijos, Portugal. Le Règne Minéral, 87, 13-27.
Reference: Pimentel, Ricardo; Nunes, Rui; De Ascenção Guedes, Roger; Meisser, Nicolas; Martaud, Alain (2009): Minéralogie de la Carrière de Montijos, Portugal. Le Règne Minéral, 87, 13-27.
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe7S8
Reference: Rui Nunes 2012
Quartz
Formula: SiO2
Reference: Rui Nunes
Siderite
Formula: FeCO3
Reference: Rui Nunes 2012
Titanite
Formula: CaTi(SiO4)O

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
var: Specularite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
var: Selenite7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
var: Oligoclase-Albite9.FA.35Na(AlSi3O8)
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Ferro-actinolite9.DE.10☐{Ca2}{Fe2+5}(Si8O22)(OH)2
Magnesio-hornblende9.DE.10☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Orthoclase ?9.FA.30K(AlSi3O8)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Pumpellyite-(Fe2+)9.BG.20Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Byssolite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Feldspar Group'-
'Hornblende'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Pumpellyite-(Fe2+)58.2.2.5Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Orthoclase ?76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
var: Oligoclase-Albite-Na(AlSi3O8)
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Byssolite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Feldspar Group'-
Ferro-actinolite-☐{Ca2}{Fe2+5}(Si8O22)(OH)2
Gypsum
var: Selenite
-CaSO4 · 2H2O
Hematite
var: Specularite
-Fe2O3
'Hornblende'-
'Limonite'-(Fe,O,OH,H2O)
Magnesio-hornblende-☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2

List of minerals for each chemical element

HHydrogen
H Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
H PrehniteCa2Al2Si3O10(OH)2
H GypsumCaSO4 · 2H2O
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Gypsum (var: Selenite)CaSO4 · 2H2O
H Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
H Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
H Limonite(Fe,O,OH,H2O)
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CCarbon
C CalciteCaCO3
C SideriteFeCO3
OOxygen
O MagnetiteFe2+Fe23+O4
O Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
O Albite (var: Oligoclase-Albite)Na(AlSi3O8)
O ApatiteCa5(PO4)3(Cl/F/OH)
O TitaniteCaTi(SiO4)O
O PrehniteCa2Al2Si3O10(OH)2
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O QuartzSiO2
O CalciteCaCO3
O IlmeniteFe2+TiO3
O Gypsum (var: Selenite)CaSO4 · 2H2O
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O Hematite (var: Specularite)Fe2O3
O FluorapatiteCa5(PO4)3F
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O SideriteFeCO3
O Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
O Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
O Limonite(Fe,O,OH,H2O)
O AlbiteNa(AlSi3O8)
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O OrthoclaseK(AlSi3O8)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F FluorapatiteCa5(PO4)3F
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na Albite (var: Oligoclase-Albite)Na(AlSi3O8)
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Mg Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Mg Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
AlAluminium
Al Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Al Albite (var: Oligoclase-Albite)Na(AlSi3O8)
Al PrehniteCa2Al2Si3O10(OH)2
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Al AlbiteNa(AlSi3O8)
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al OrthoclaseK(AlSi3O8)
SiSilicon
Si Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Si Albite (var: Oligoclase-Albite)Na(AlSi3O8)
Si TitaniteCaTi(SiO4)O
Si PrehniteCa2Al2Si3O10(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si QuartzSiO2
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Si Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si OrthoclaseK(AlSi3O8)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
P FluorapatiteCa5(PO4)3F
SSulfur
S GypsumCaSO4 · 2H2O
S PyriteFeS2
S Gypsum (var: Selenite)CaSO4 · 2H2O
S PyrrhotiteFe7S8
S ArsenopyriteFeAsS
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca TitaniteCaTi(SiO4)O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca GypsumCaSO4 · 2H2O
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca CalciteCaCO3
Ca Gypsum (var: Selenite)CaSO4 · 2H2O
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca FluorapatiteCa5(PO4)3F
Ca Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Ca Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti IlmeniteFe2+TiO3
Ti Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
Fe HematiteFe2O3
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe PyriteFeS2
Fe IlmeniteFe2+TiO3
Fe Hematite (var: Specularite)Fe2O3
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe PyrrhotiteFe7S8
Fe SideriteFeCO3
Fe ArsenopyriteFeAsS
Fe Ferro-actinolite☐{Ca2}{Fe52+}(Si8O22)(OH)2
Fe Limonite(Fe,O,OH,H2O)
AsArsenic
As ArsenopyriteFeAsS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Pimentel, Ricardo; Nunes, Rui; De Ascenção Guedes, Roger; Meisser, Nicolas; Martaud, Alain (2009): Minéralogie de la Carrière de Montijos, Portugal. Le Règne Minéral, 87, 13-27.
Mineral collecting at Monte Redondo, Portugal by Richard V. Gaines, Jan-Fev 1971, The Mineralogical Record.

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