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Mare Tranquillitatis (Sea of Tranquility), The Mooni
Regional Level Types
Mare Tranquillitatis (Sea of Tranquility)- not defined -
The MoonMoon

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Key
04768310014948392114932.jpg
Mare Tranquillitatis

Mare Tranquillitatis, The Moon
07917330014946307793604.jpg
Science experiments at Tranquility Base

Tranquillity Base, Mare Tranquillitatis, The Moon
09604940014946309444706.jpg
Buzz Aldrin's bootprint in the lunar soil

Tranquillity Base, Mare Tranquillitatis, The Moon
04768310014948392114932.jpg
Mare Tranquillitatis

Mare Tranquillitatis, The Moon
07917330014946307793604.jpg
Science experiments at Tranquility Base

Tranquillity Base, Mare Tranquillitatis, The Moon
09604940014946309444706.jpg
Buzz Aldrin's bootprint in the lunar soil

Tranquillity Base, Mare Tranquillitatis, The Moon
Latitude & Longitude:
8° 30' 0'' North , 31° 23' 59'' East
Latitude & Longitude (decimal):


Mare Tranquillitatis (Latin tranquillitātis, the Sea of Tranquillity or Sea of Tranquility) is a lunar mare that sits within the Tranquillitatis basin on the Moon. The mare material within the basin consists of basalt formed in the intermediate to young age group of the Upper Imbrian epoch. The surrounding mountains are thought to be of the Lower Imbrian epoch, but the actual basin is probably Pre-Nectarian. The basin has irregular margins and lacks a defined multiple-ringed structure. The irregular topography in and near this basin results from the intersection of the Tranquillitatis, Nectaris, Crisium, Fecunditatis, and Serenitatis basins with two throughgoing rings of the Procellarum basin. Palus Somni, on the northeastern rim of the mare, is filled with the basalt that spilled over from Tranquillitatis.

This mare has a slight bluish tint relative to the rest of the Moon and stands out quite well when color is processed and extracted from multiple photographs. The color is likely due to higher metal content in the basaltic soil or rocks.

Unlike many other maria, there is no mass concentration (mascon), or gravitational high, in the center of Mare Tranquillitatis. Mascons were identified in the center of other maria (such as Serenitatis or Imbrium) from Doppler tracking of the five Lunar Orbiter spacecraft in 1968. The gravity field was mapped at higher resolution with later orbiters such as Lunar Prospector and GRAIL, which unveiled an irregular pattern.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List

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

14 valid minerals. 3 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: 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:

'Albite-Anorthite Series'
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
'Alkali Feldspar'
Reference: Schmitt, H.H., Lofgren, G., Swann, G.A., Simmons, G. (1970) The Apollo 11 samples: Introduction, Vol.1, 1-59. In: Levinson, A.A. (ed.) (1970) Proceedings of the Apollo 11 Lunar Science Conference, Houston Texas, January 5-8, 1970. (3 volumes: Vol.1: Mineralogy and Petrology; Vol.2: Chemical Isotope Analyses; Vol.3: Physical Properties). Geochimica et Cosmochimica Acta, Journal of The Geochemical Society and The Meteoritical Society, Pergamon Press Inc. New York, NY, USA.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Schmitt, H.H., Lofgren, G., Swann, G.A., Simmons, G. (1970) The Apollo 11 samples: Introduction, Vol.1, 1-59. In: Levinson, A.A. (ed.) (1970) Proceedings of the Apollo 11 Lunar Science Conference, Houston Texas, January 5-8, 1970. (3 volumes: Vol.1: Mineralogy and Petrology; Vol.2: Chemical Isotope Analyses; Vol.3: Physical Properties). Geochimica et Cosmochimica Acta, Journal of The Geochemical Society and The Meteoritical Society, Pergamon Press Inc. New York, NY, USA.
Armalcolite (TL)
Formula: (Mg,Fe2+)Ti2O5
Type Locality:
Reference: Proc. Apollo 11 Lunar Sci.Conf.(1970) 1, 55-63
Chevkinite-(Ce)
Formula: (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
Reference: Muhling J.R., Suvorova A.A,, Rasmussen B. (2014) The occurrence and composition of chevkinite-(Ce) and perrierite-(Ce) in tholeiitic intrusive rocks and lunar mare basalt, - American Mineralogist, v. 99, №10, рр. 1911–1921.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Agrell, S. O., Boyd, F. R., Bunch, T. E., Cameron, E. N., Dence, M. R., Douglas, J. A. V., (1970) Titanian chromite, aluminian chromite and chromian ulvöspinel from Apollo 11 rocks. Geochimica et Cosmochimica Acta Supplement, Volume 1. Proceedings of the Apollo 11 Lunar Science Conference held 5-8 January, 1970 in Houston, TX. Volume 1: Mineraolgy and Petrology. Edited by A. A. Levinson. New York: Pergammon Press, 1970., p.81
Chromite var. Aluminian Chromite
Formula: Fe(Cr,Al)2O4
Reference: Agrell, S. O., Boyd, F. R., Bunch, T. E., Cameron, E. N., Dence, M. R., Douglas, J. A. V., (1970) Titanian chromite, aluminian chromite and chromian ulvöspinel from Apollo 11 rocks. Geochimica et Cosmochimica Acta Supplement, Volume 1. Proceedings of the Apollo 11 Lunar Science Conference held 5-8 January, 1970 in Houston, TX. Volume 1: Mineraolgy and Petrology. Edited by A. A. Levinson. New York: Pergammon Press, 1970., p.81
'Clinopyroxene Subgroup'
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
Cristobalite
Formula: SiO2
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
Fayalite
Formula: Fe2+2SiO4
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
'Fayalite-Forsterite Series'
Reference: Agrell, S. O., Boyd, F. R., Bunch, T. E., Cameron, E. N., Dence, M. R., Douglas, J. A. V., (1970) Titanian chromite, aluminian chromite and chromian ulvöspinel from Apollo 11 rocks. Geochimica et Cosmochimica Acta Supplement, Volume 1. Proceedings of the Apollo 11 Lunar Science Conference held 5-8 January, 1970 in Houston, TX. Volume 1: Mineraolgy and Petrology. Edited by A. A. Levinson. New York: Pergammon Press, 1970., p.81
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
'Glass'
Reference: Schmitt, H.H., Lofgren, G., Swann, G.A., Simmons, G. (1970) The Apollo 11 samples: Introduction, Vol.1, 1-59. In: Levinson, A.A. (ed.) (1970) Proceedings of the Apollo 11 Lunar Science Conference, Houston Texas, January 5-8, 1970. (3 volumes: Vol.1: Mineralogy and Petrology; Vol.2: Chemical Isotope Analyses; Vol.3: Physical Properties). Geochimica et Cosmochimica Acta, Journal of The Geochemical Society and The Meteoritical Society, Pergamon Press Inc. New York, NY, USA.
Ilmenite
Formula: Fe2+TiO3
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
'K Feldspar'
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
Perrierite-(Ce)
Formula: Ce4MgFe3+2Ti2(Si2O7)2O8
Reference: Muhling J.R., Suvorova A.A,, Rasmussen B. (2014) The occurrence and composition of chevkinite-(Ce) and perrierite-(Ce) in tholeiitic intrusive rocks and lunar mare basalt, - American Mineralogist, v. 99, №10, рр. 1911–1921.
'Pyroxene Group'
Reference: Agrell, S. O., Boyd, F. R., Bunch, T. E., Cameron, E. N., Dence, M. R., Douglas, J. A. V., (1970) Titanian chromite, aluminian chromite and chromian ulvöspinel from Apollo 11 rocks. Geochimica et Cosmochimica Acta Supplement, Volume 1. Proceedings of the Apollo 11 Lunar Science Conference held 5-8 January, 1970 in Houston, TX. Volume 1: Mineraolgy and Petrology. Edited by A. A. Levinson. New York: Pergammon Press, 1970., p.81
Pyroxferroite (TL)
Formula: (Fe,Mn,Ca)SiO3
Reference: Chao E.C.T., Minkin J.A., Frondel C., Klein C., Drake J.C., Fuchs L., Tani B., Smith J.V., Anderson A.T., Moore P.B., Zechman G.R., Traill R.J., Plant A.G., Douglas J.A.V., Dence M.R. (1970) Pyroxferroite, a new calcium-bearing iron silicate from Tranquillity Base, - Geochimica et Cosmochimica Acta, Supplemental Proceedings of the Apollo XI Lunar Science Conference,v.34(1), pp. 65-79.
Spinel
Formula: MgAl2O4
Reference: Schmitt, H.H., Lofgren, G., Swann, G.A., Simmons, G. (1970) The Apollo 11 samples: Introduction, Vol.1, 1-59. In: Levinson, A.A. (ed.) (1970) Proceedings of the Apollo 11 Lunar Science Conference, Houston Texas, January 5-8, 1970. (3 volumes: Vol.1: Mineralogy and Petrology; Vol.2: Chemical Isotope Analyses; Vol.3: Physical Properties). Geochimica et Cosmochimica Acta, Journal of The Geochemical Society and The Meteoritical Society, Pergamon Press Inc. New York, NY, USA.
Tranquillityite (TL)
Formula: (Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Type Locality:
Reference: Lovering J F, Wark D A, Reid A F, Ware N G, Keil K, Prinz M, Bunch T E, El Goresy A, Ramdohr P, Brown G M, Peckett A, Phillips R, Cameron E N, Douglas J A V, Plant A G (1971) Tranquillityite: a new silicate mineral from Apollo 11 and Apollo 12 basaltic rocks. Proceedings of the Second Lunar Science Conference 1, 39-45
Tridymite
Formula: SiO2
Reference: Geochemica et Cosmochimica Acta: 34(1): 65-79
Troilite
Formula: FeS
Reference: Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 513.
Ulvöspinel
Formula: TiFe2O4
Reference: Agrell, S. O., Boyd, F. R., Bunch, T. E., Cameron, E. N., Dence, M. R., Douglas, J. A. V., (1970) Titanian chromite, aluminian chromite and chromian ulvöspinel from Apollo 11 rocks. Geochimica et Cosmochimica Acta Supplement, Volume 1. Proceedings of the Apollo 11 Lunar Science Conference held 5-8 January, 1970 in Houston, TX. Volume 1: Mineraolgy and Petrology. Edited by A. A. Levinson. New York: Pergammon Press, 1970., p.81; Schmitt, H.H., Lofgren, G., Swann, G.A., Simmons, G. (1970) The Apollo 11 samples: Introduction, Vol.1, 1-59. In: Levinson, A.A. (ed.) (1970) Proceedings of the Apollo 11 Lunar Science Conference, Houston Texas, January 5-8, 1970. (3 volumes: Vol.1: Mineralogy and Petrology; Vol.2: Chemical Isotope Analyses; Vol.3: Physical Properties). Geochimica et Cosmochimica Acta, Journal of The Geochemical Society and The Meteoritical Society, Pergamon Press Inc. New York, NY, USA.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Armalcolite (TL)4.CB.15(Mg,Fe2+)Ti2O5
Chromite4.BB.05Fe2+Cr3+2O4
var. Aluminian Chromite4.BB.05Fe(Cr,Al)2O4
Cristobalite4.DA.15SiO2
Ilmenite4.CB.05Fe2+TiO3
Spinel4.BB.05MgAl2O4
Tridymite4.DA.10SiO2
Ulvöspinel4.BB.05TiFe2O4
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Chevkinite-(Ce)9.BE.70(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
Fayalite9.AC.05Fe2+2SiO4
Perrierite-(Ce)9.BE.70Ce4MgFe3+2Ti2(Si2O7)2O8
Pyroxferroite (TL)9.DO.05(Fe,Mn,Ca)SiO3
Tranquillityite (TL)9.AG.90(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Glass'-
'K Feldspar'-
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Troilite2.8.9.1FeS
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Spinel7.2.1.1MgAl2O4
Ulvöspinel7.2.5.2TiFe2O4
AB2X5
Armalcolite (TL)7.7.1.2(Mg,Fe2+)Ti2O5
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Fayalite51.3.1.1Fe2+2SiO4
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Chevkinite-(Ce)56.2.8.1(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
Perrierite-(Ce)56.2.8.3Ce4MgFe3+2Ti2(Si2O7)2O8
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=7
Pyroxferroite (TL)65.6.1.2(Fe,Mn,Ca)SiO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Tridymite75.1.2.1SiO2
Group 78 - Unclassified Silicates
Tranquillityite (TL)78.7.16.1(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Chromite
var. Aluminian Chromite
-Fe(Cr,Al)2O4
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Glass'-
'K Feldspar'-
'Pyroxene Group'-

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
O Armalcolite(Mg,Fe2+)Ti2O5
O Pyroxferroite(Fe,Mn,Ca)SiO3
O Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
O IlmeniteFe2+TiO3
O CristobaliteSiO2
O TridymiteSiO2
O FayaliteFe22+SiO4
O FluorapatiteCa5(PO4)3F
O ChromiteFe2+Cr23+O4
O Chromite var. Aluminian ChromiteFe(Cr,Al)2O4
O UlvöspinelTiFe2O4
O Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
O Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
O SpinelMgAl2O4
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F FluorapatiteCa5(PO4)3F
F ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mg Armalcolite(Mg,Fe2+)Ti2O5
Mg Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
Mg Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
Mg SpinelMgAl2O4
AlAluminium
Al Chromite var. Aluminian ChromiteFe(Cr,Al)2O4
Al SpinelMgAl2O4
SiSilicon
Si Pyroxferroite(Fe,Mn,Ca)SiO3
Si Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Si CristobaliteSiO2
Si TridymiteSiO2
Si FayaliteFe22+SiO4
Si Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
Si Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
PPhosphorus
P FluorapatiteCa5(PO4)3F
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S TroiliteFeS
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Ca Pyroxferroite(Fe,Mn,Ca)SiO3
Ca Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Ca FluorapatiteCa5(PO4)3F
Ca Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti Armalcolite(Mg,Fe2+)Ti2O5
Ti Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Ti IlmeniteFe2+TiO3
Ti UlvöspinelTiFe2O4
Ti Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
Ti Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Chromite var. Aluminian ChromiteFe(Cr,Al)2O4
MnManganese
Mn Pyroxferroite(Fe,Mn,Ca)SiO3
FeIron
Fe Armalcolite(Mg,Fe2+)Ti2O5
Fe Pyroxferroite(Fe,Mn,Ca)SiO3
Fe Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
Fe IlmeniteFe2+TiO3
Fe FayaliteFe22+SiO4
Fe ChromiteFe2+Cr23+O4
Fe Chromite var. Aluminian ChromiteFe(Cr,Al)2O4
Fe UlvöspinelTiFe2O4
Fe TroiliteFeS
Fe Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
Fe Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
YYttrium
Y Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
ZrZirconium
Zr Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12
LaLanthanum
La Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
CeCerium
Ce Perrierite-(Ce)Ce4MgFe23+Ti2(Si2O7)2O8
Ce Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
ThThorium
Th Chevkinite-(Ce)(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Chao, E.C.T., Minkin, J.A., Frondel, C., Klein, C., Drake, J.C., Fuchs, L., Tani, B., Smith, J.V., Anderson, A.T., Moore, P.B., Zechman, G.R., Traill, R.J., Plant, A.G., Douglas, J.A.V., Dence, M.R. (1970) Pyroxferroite, a new calcium-bearing iron silicate from Tranquillity Base. Geochimica et Cosmochimica Acta, Supplemental Proceedings of the Apollo XI Lunar Science Conference: 34(1): 65-79.
Muhling, J.R., Suvorova, A.A., Rasmussen, B. (2014) The occurrence and composition of chevkinite-(Ce) and perrierite-(Ce) in tholeiitic intrusive rocks and lunar mare basalt. American Mineralogist: 99(10): 1911–1921.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Mare_Tranquillitatis
Wikidata ID:Q320936

Localities in this Region


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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