Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Loire-Atlantique, Pays De La Loire, France

Oldest recorded age at locality: 290
Youngest recorded age at locality: 210

mindat Locality ID: 238724
mindat URL: http://www.mindat.org/loc-238724.html

Tectonic Settings:

Total number of sublocalities beneath "Loire-Atlantique, Pays De La Loire, France": 298
Total number of bottom-level sublocalities: 203

Number of Child Localities: 101
Child Localities:
Abbaretz
Assérac
Batz-sur-Mer
Blain
Bouaye
Bouée
Bouguenais
Boussay
Bouvron
Casson
Chaumes-en-Retz
Clisson
Conquereuil
Cordemais
Corsept
Couëron
Couffé
Crossac
Derval
Divatte-sur-Loire
Donges
Erbray
Fay-de-Bretagne
Frossay
Gétigné
Grand-Auverné
Guérande
Héric
Indre
Juigné-des-Moutiers
La Baule-Escoublac
La Bernerie-en-Retz
La Chapelle-Launay
La Chapelle-sur-Erdre
La Chevrolière
La Haie-Fouassière
La Limouzinière
La Montagne
La Plaine-sur-Mer
Le Bignon
Le Cellier
Le Croisic
Le Gâvre
Le Loroux-Bottereau
Le Pallet
Le Pellerin
Le Pouliguen
Les Touches
Ligné
Loireauxence
Machecoul-Saint-Même
Maisonneuve
Marsac-sur-Don
Mauves-sur-Loire
Mesquer
Missillac
Montbert
Montrelais
Mouzeil
Nantes
Nort-sur-Erdre
Nozay
Orvault
Oudon
Paimboeuf
Pannecé
Paulx
Petit-Mars
Pierric
Piriac-sur-Mer
Pont-Saint-Martin
Pornic
Pornichet
Port-Saint-Père
Préfailles
Quilly
Rougé
Saint-André-des-Eaux
Saint-Aubin-des-Châteaux
Saint-Brevin-les-Pins
Saint-Gildas-des-Bois
Saint-Herblain
Saint-Joachim
Saint-Julien-de-Vouvantes
Saint-Mars-du-Désert
Saint-Michel-Chef-Chef
Saint-Nazaire
Saint-Père-en-Retz
Saint-Philbert-de-Grand-Lieu
Saint-Sébastien-sur-Loire
Saint-Viaud
Sautron
Savenay
Sion-les-Mines
Sucé-sur-Erdre
Thouaré-sur-Loire
Treillières
Vallet
Vay
Vertou
Vieillevigne

Latitude: 47°19'53"N
Longitude: 1°52'54"W
Decimal Degree (lat, lon): 47.331388888889,-1.8816666666667

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Acanthite	Alunite	Amorphous	Amphibole	Andalusite	Apatite	Aragonite	Arsenic	Arsenopyrite	Autunite
Baryte	Beryl	Bournonite	Brookite	Calcite	Chalcopyrite	Chlorite	Chloritoid	Clay	Clinozoisite
Copper	Corundum	Covellite	Devilline	Diaspore	Digenite	Epidote	Feldspar	Fluorite	Garnet
Gypsum	Halotrichite	Kaolinite	Löllingite	Leydetite	Lillianite	Malachite	Marcasite	Mica	Molybdenite
Monazite	Nickeline	None	Not in a structural group	Phosphuranylite	Prehnite	Pyrite	Pyrochlore	Pyroxene	Quartz
Rocksalt	Rutile	Scheelite	Serpentine	Sphalerite	Spinel	Staurolite	Stibnite	Stilpnomelane	Sulphur
Talc	Tetrahedrite	Titanite	Tourmaline	Vesuvianite	Wavellite	Zippeite	Zircon

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au B Ba Be Bi C Ca Ce Cl Cu F Fe H Hg K La Li Mg Mn Mo N Na O P Pb S Sb Sc Si Sn Sr Ti U W Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Alunite Amorphous Amphibole Andalusite Apatite Aragonite Arsenic Arsenopyrite Autunite
Baryte Beryl Bournonite Brookite Calcite Chalcopyrite Chlorite Chloritoid Clay Clinozoisite
Copper Corundum Covellite Devilline Diaspore Digenite Epidote Feldspar Fluorite Garnet
Gypsum Halotrichite Kaolinite Löllingite Leydetite Lillianite Malachite Marcasite Mica Molybdenite
Monazite Nickeline None Not in a structural group Phosphuranylite Prehnite Pyrite Pyrochlore Pyroxene Quartz
Rocksalt Rutile Scheelite Serpentine Sphalerite Spinel Staurolite Stibnite Stilpnomelane Sulphur
Talc Tetrahedrite Titanite Tourmaline Vesuvianite Wavellite Zippeite Zircon

129 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Albite ()*	Almandine ()*	Alunogen ()*
Anatase ()*	Andalusite ()*	Andradite ()*	Anglesite ()*	Anthophyllite ()*
Aragonite ()*	Arsenopyrite ()*	Autunite ()*	Azurite ()*	Baryte ()*
Berthierine ()*	Bertrandite ()*	Beryl ()*	Bismuth ()*	Bornite ()*
Boulangerite ()*	Bournonite ()*	Brookite ()*	Calcite ()*	Cassiterite ()*
Cerussite ()*	Chalcopyrite ()*	Chamosite ()*	Chloritoid ()*	Chrysotile ()*
Cinnabar ()*	Clinochlore ()*	Copper ()*	Cordierite ()*	Corundum ()*
Cosalite ()*	Covellite ()*	Crandallite ()*	Cuprite ()*	Deliensite ()*
Dickite ()*	Digenite ()*	Diopside ()*	Dolomite ()*	Dravite ()*
Elbaite ()*	Epidote ()*	Eskimoite ()*	Evansite ()*	Fluorapatite ()*
Fluorite ()*	Galena ()*	Glaucophane ()*	Goethite ()*	Gold ()*
Goyazite ()*	Graphite ()*	Grossular ()*	Gustavite ()*	Gypsum ()*
Halite ()*	Halotrichite ()*	Hematite ()*	Heyrovskýite ()*	Ilmenite ()*
Kaolinite ()*	Kermesite ()*	Kyanite ()*	Leydetite ()*	Lillianite ()*
Löllingite ()*	Lulzacite ()*	Magnesite ()*	Magnetite ()*	Malachite ()*
Marcasite ()*	Margarite ()*	Mercury ()*	Minyulite ()*	Molybdenite ()*
Monazite-(Ce) ()*	Monazite-(La) ()*	Muscovite ()*	Natrozippeite ()*	Omphacite ()*
Opal ()*	Orthoclase ()*	Phlogopite ()*	Phosphuranylite ()*	Plumbogummite ()*
Prehnite ()*	Preiswerkite ()*	Pretulite ()*	Pyrite ()*	Pyrolusite ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Sabugalite ()*	Scheelite ()*
Schorl ()*	Scorodite ()*	Serpierite ()*	Siderite ()*	Sillimanite ()*
Sphalerite ()*	Spinel ()*	Staurolite ()*	Stibiconite ()*	Stibnite ()*
Stilpnomelane ()*	Sulphur ()*	Talc ()*	Tetrahedrite-(Zn) ()*	Titanite ()*
Tobelite ()*	Torbernite ()*	Tremolite ()*	Uraninite ()*	Uranopilite ()*
Valentinite ()*	Variscite ()*	Varlamoffite ()*	Vesuvianite ()*	Vikingite ()*
Wavellite ()*	Xenotime-(Y) ()*	Zircon ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S			1	56289	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			9	56280,56344,56385,56393,56443,56465,56466,56471,56494	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)			14	56273,56305,56333,56334,56351,56384,56386,56416,56423,56446,56458,56522,56527,56551	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	290	210	22	56274,56293,56294,56327,56339,56366,56385,56390,56416,56423,56433,56438,56440,56442,56458,56460,56464,56529,56533,56535,56536,56541	2353
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O			2	56270,56526	272
Anatase ()*	Not in a structural group	TiO₂			16	56351,56363,56388,56457,56476,56481,56500,56502,56503,56504,56505,56519,56520,56524,56528,56530	2162
Andalusite ()*	Andalusite	Al₂SiO₅			17	56388,56401,56417,56438,56440,56447,56450,56476,56481,56502,56503,56505,56519,56523,56524,56528,56530	1310
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			1	56334	1534
Anglesite ()*	Baryte	Pb(SO₄)			2	56289,56514	2734
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			3	56333,56385,56557	718
Aragonite ()*	Aragonite	Ca(CO₃)			1	56398	3250
Arsenopyrite ()*	Arsenopyrite	FeAsS			30	56265,56267,56286,56289,56321,56351,56353,56380,56416,56420,56423,56433,56435,56436,56438,56439,56441,56442,56446,56456,56457,56458,56476,56500,56504,56519,56520,56528,56543,56557	9052
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	290	270	3	56336,56457,56544	1272
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			2	56344,56385	5509
Baryte ()*	Baryte	Ba(SO₄)			4	56349,56423,56520,56523	11547
Berthierine ()*	Clay Serpentine	(Fe²⁺,Fe³⁺,Al)₃(Si,Al)₂O₅(OH)₄			1	56500	59
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂			6	56351,56352,56416,56440,56457,56458	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	290	210	14	56265,56267,56370,56423,56424,56427,56436,56442,56456,56457,56458,56459,56477,56543	4286
Bismuth ()*	Arsenic	Bi			1	56289	1966
Bornite ()*	None	Cu₅FeS₄			1	56423	5516
Boulangerite ()*	None	Pb₅Sb₄S₁₁			1	56500	843
Bournonite ()*	Bournonite	CuPbSbS₃			1	56500	1089
Brookite ()*	Brookite	TiO₂			1	56265	700
Calcite ()*	Calcite	Ca(CO₃)			15	56269,56290,56309,56326,56344,56392,56398,56402,56406,56413,56414,56436,56472,56500,56556	27770
Cassiterite ()*	Rutile	SnO₂			13	56265,56266,56267,56388,56445,56456,56476,56481,56519,56520,56523,56524,56530	5171
Cerussite ()*	Aragonite	Pb(CO₃)			2	56315,56514	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	290	210	12	56289,56290,56344,56396,56416,56423,56429,56431,56438,56457,56475,56500	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈			1	56500	577
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂			2	56507,56540	376
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			4	56279,56410,56462,56471	951
Cinnabar ()*	None	HgS			2	56395,56396	2600
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			14	56343,56353,56382,56385,56386,56402,56416,56417,56424,56435,56438,56443,56458,56485	1756
Copper ()*	Copper	Cu			1	56265	3846
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈			1	56424	1008
Corundum ()*	Corundum	Al₂O₃			13	56363,56379,56388,56476,56481,56502,56503,56519,56520,56523,56524,56528,56530	1797
Cosalite ()*	None	Pb₂Bi₂S₅			1	56289	344
Covellite ()*	Covellite	CuS			1	56289	4165
Crandallite ()*	Alunite	CaAl₃(PO₄)(PO₃OH)(OH)₆			1	56469	310
Cuprite ()*	Not in a structural group	Cu₂O			1	56311	2970
Deliensite ()*	None	Fe²⁺(UO₂)₂(SO₄)₂(OH)₂·7H₂O	290	270	1	56336	14
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	56500	651
Digenite ()*	Digenite	Cu_1.8S			1	56289	1027
Diopside ()*	Pyroxene	CaMgSi₂O₆			6	56294,56305,56330,56511,56522,56529	4135
Dolomite ()*	None	CaMg(CO₃)₂			2	56326,56500	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	56457	648
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			2	56457,56458	520
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			18	56290,56294,56334,56343,56344,56388,56436,56443,56476,56481,56502,56503,56505,56522,56523,56530,56541,56557	8173
Eskimoite ()*	Lillianite	Ag₇Pb₁₀Bi₁₅S₃₆			1	56289	20
Evansite ()*	Amorphous	Al₃(PO₄)(OH)₆·8H₂O			1	56500	56
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	56500	2740
Fluorite ()*	Fluorite	CaF₂	290	210	13	56301,56310,56336,56344,56384,56386,56421,56423,56425,56428,56444,56458,56510	9617
Galena ()*	Rocksalt	PbS	230	210	16	56265,56287,56289,56315,56316,56343,56345,56389,56423,56425,56436,56479,56496,56500,56514,56545	24243
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂			1	56294	286
Goethite ()*	Diaspore	FeO(OH)			2	56310,56365	7437
Gold ()*	Copper	Au	290	210	9	56289,56321,56445,56475,56477,56500,56504,56530,56553	30554
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆			1	56500	173
Graphite ()*	None	C	290	210	13	56313,56326,56347,56369,56378,56402,56404,56463,56469,56478,56500,56529,56559	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			5	56416,56435,56438,56446,56522	1544
Gustavite ()*	Lillianite	AgPbBi₃S₆			1	56289	113
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	290	210	5	56270,56277,56336,56423,56436	6890
Halite ()*	Rocksalt	NaCl			2	56270,56277	1398
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O			2	56423,56526	409
Hematite ()*	Corundum	Fe₂O₃			3	56344,56375,56500	14640
Heyrovskýite ()*	Lillianite	Pb₆Bi₂S₉			1	56289	66
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			18	56363,56388,56438,56476,56480,56481,56500,56502,56503,56504,56505,56519,56520,56523,56524,56528,56530,56536	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			9	56267,56307,56361,56372,56385,56407,56411,56414,56463	5591
Kermesite ()*	None	Sb₂OS₂			1	56271	230
Kyanite ()*	Not in a structural group	Al₂OSiO₄			16	56294,56363,56388,56476,56481,56502,56503,56504,56505,56519,56520,56523,56524,56528,56530,56535	1507
Leydetite ()*	Leydetite	Fe(UO₂)(SO₄)₂·11H₂O	290	270	1	56336	3
Lillianite ()*	Lillianite	Pb_3-2xAg_xBi_2+xS₆			1	56289	128
Löllingite ()*	Löllingite	FeAs₂			7	56423,56424,56435,56441,56450,56457,56458	762
Lulzacite ()*	None	Sr₂Fe²⁺₃Al₄(PO₄)₄(OH)₁₀			1	56500	1
Magnesite ()*	Calcite	Mg(CO₃)			3	56280,56281,56471	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			23	56344,56363,56384,56385,56388,56471,56476,56481,56500,56502,56503,56504,56505,56507,56508,56519,56520,56523,56524,56528,56530,56540,56546	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	56344,56385	12537
Marcasite ()*	Marcasite	FeS₂	290	210	8	56289,56336,56348,56416,56437,56479,56500,56549	5674
Margarite ()*	Mica Clay	CaAl₂Si₂Al₂O₁₀(OH)₂			1	56535	168
Mercury ()*	None	Hg			1	56395	397
Minyulite ()*	None	KAl₂(PO₄)₂F·4H₂O			1	56469	31
Molybdenite ()*	Molybdenite	MoS₂			6	56265,56267,56289,56386,56423,56456	5800
Monazite-(Ce) ()*	Monazite	Ce(PO₄)			2	56495,56500	945
Monazite-(La) ()*	Monazite	La(PO₄)			1	56265	38
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	290	210	37	56266,56267,56270,56271,56276,56293,56294,56295,56330,56343,56345,56351,56367,56370,56384,56385,56387,56404,56416,56424,56427,56435,56438,56441,56442,56445,56456,56457,56458,56460,56464,56477,56485,56489,56500,56543,56547	17380
Natrozippeite ()*	Zippeite	Na₅(UO₂)₈(SO₄)₄O₅(OH)₃·12H₂O	290	270	1	56336	41
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆			1	56535	229
Opal ()*	Amorphous	SiO₂·nH₂O			2	56344,56376	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	290	210	21	56270,56272,56273,56276,56289,56292,56307,56333,56339,56370,56384,56386,56390,56402,56423,56424,56427,56436,56438,56458,56491	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			2	56373,56529	2273
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O			1	56399	182
Plumbogummite ()*	Alunite	PbAl₃(PO₄)(PO₃OH)(OH)₆			1	56265	170
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			4	56343,56344,56436,56540	1898
Preiswerkite ()*	Mica	NaAlMg₂(Si₂Al₂)O₁₀(OH)₂			1	56535	14
Pretulite ()*	Zircon	Sc(PO₄)			2	56495,56500	14
Pyrite ()*	Pyrite	FeS₂	290	210	44	56274,56285,56287,56307,56317,56318,56326,56336,56337,56343,56345,56365,56384,56385,56388,56389,56395,56396,56400,56402,56411,56413,56414,56416,56423,56425,56438,56454,56457,56469,56472,56473,56476,56479,56481,56494,56500,56509,56510,56515,56516,56523,56528,56535	39462
Pyrolusite ()*	Rutile	MnO₂			1	56402	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈			11	56289,56344,56436,56500,56501,56511,56521,56522,56529,56555,56557	9056
Quartz ()*	Quartz	SiO₂	290	210	103	56265,56266,56267,56269,56270,56271,56272,56273,56276,56277,56282,56284,56289,56294,56296,56297,56300,56302,56303,56306,56308,56309,56310,56314,56316,56323,56324,56325,56329,56332,56333,56337,56339,56343,56344,56345,56351,56352,56356,56358,56359,56365,56366,56369,56370,56376,56377,56378,56379,56382,56384,56385,56389,56395,56400,56402,56416,56417,56418,56423,56424,56427,56429,56436,56445,56446,56447,56450,56453,56454,56455,56458,56463,56464,56469,56471,56472,56473,56474,56477,56480,56490,56493,56496,56498,56499,56500,56511,56513,56516,56517,56525,56528,56532,56533,56538,56544,56545,56548,56549,56554,56556,56558	61156
Rutile ()*	Rutile	TiO₂			28	56265,56267,56293,56294,56300,56351,56357,56363,56366,56388,56456,56472,56476,56481,56500,56502,56503,56504,56505,56519,56520,56523,56524,56528,56530,56533,56535,56536	5614
Sabugalite ()*	None	HAl(UO₂)₄(PO₄)₄·16H₂O			1	56544	87
Scheelite ()*	Scheelite	Ca(WO₄)			4	56289,56388,56472,56523	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			5	56265,56267,56351,56456,56457	2705
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			4	56267,56289,56446,56458	1153
Serpierite ()*	Devilline	Ca(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O			1	56311	292
Siderite ()*	Calcite	Fe(CO₃)			4	56436,56443,56495,56500	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅			12	56363,56388,56502,56503,56505,56519,56520,56523,56524,56527,56528,56530	1516
Sphalerite ()*	Sphalerite	ZnS			12	56289,56321,56395,56396,56400,56416,56423,56425,56436,56438,56454,56500	21482
Spinel ()*	Spinel	MgAl₂O₄			3	56388,56523,56524	1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			15	56363,56385,56388,56476,56481,56502,56503,56504,56505,56519,56520,56523,56524,56528,56530	978
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)			3	56271,56313,56326	446
Stibnite ()*	Stibnite	Sb₂S₃			9	56271,56313,56321,56326,56366,56392,56396,56402,56462	3418
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O			1	56500	456
Sulphur ()*	Sulphur	S			1	56469	2045
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			6	56418,56422,56449,56471,56483,56534	3337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			2	56289,56500	5317
Titanite ()*	Titanite	CaTi(SiO₄)O			21	56305,56363,56388,56472,56489,56494,56502,56503,56504,56505,56511,56519,56520,56522,56523,56524,56528,56530,56536,56540,56541	4899
Tobelite ()*	Mica	(NH₄)Al₂(Si₃Al)O₁₀(OH)₂			1	56500	5
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O			2	56458,56544	1059
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			5	56283,56294,56314,56323,56355	2562
Uraninite ()*	Fluorite	UO₂	290	270	2	56336,56479	2718
Uranopilite ()*	None	(UO₂)₆(SO₄)O₂(OH)₆·14H₂O	290	270	1	56336	94
Valentinite ()*	None	Sb₂O₃			1	56326	369
Variscite ()*	None	Al(PO₄)·2H₂O			1	56469	301
Varlamoffite ()*	Rutile	(Sn,Fe)(O,OH)₂			1	56265	56
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			4	56416,56438,56446,56522	1395
Vikingite ()*	Lillianite	Ag₅Pb₈Bi₁₃S₃₀			1	56289	27
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O			1	56469	374
Xenotime-(Y) ()*	Zircon	Y(PO₄)			2	56495,56500	939
Zircon ()*	Zircon	Zr(SiO₄)			16	56265,56363,56388,56476,56481,56500,56502,56503,56504,56505,56519,56520,56523,56524,56528,56530	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			4	56366,56448,56535,56536	1025

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000658	The L'Ecarpière locality is found within the Mortagne mining district. The mine is responsible for the production of 3120 tons of Uraniium metal. It is part of the Armorican Massif.
Giersdorf_00000658a	The L'Ecarpière locality is found within the Mortagne mining district. The mine is responsible for the production of 3120 tons of Uraniium metal. It is part of the Armorican Massif.
Giersdorf_00000661	The Penaran Mine is located in the Guérande mining district and is part of the Armorican Massif. It has produced 470 tons of Uranium metal.
Giersdorf_00000661a	The Penaran Mine is located in the Guérande mining district and is part of the Armorican Massif. It has produced 470 tons of Uranium metal.

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID	Age Notes
Giersdorf_00000658	290	270	290-270	U-Pb	The age of mineralization being post-cooling of the 300-340 Ma granite bodies restricts the formation of the Uranium minerals to being genetically derived.	U	19663	L'Ecarpière, Gétigné, Loire-Atlantique, Pays De La Loire, France	L'Ecarpière	Chauris et al. (1994)	PMGFRA_243	Age of the uranium mineralization in the Armorican Massif is associated with Hercynian peraluminous granites. From pg. 262: "The precise chronology of these mineralizations is not well established. The uranium veins appear to be the oldest (290-270 Ma by U/Pb dating) but underwent late remobilization processes."
Giersdorf_00000658a	230	210	230-210	K-Ar	The age of mineralization being post-cooling of the 300-340 Ma granite bodies restricts the formation of the Uranium minerals to being genetically derived.	Pb, Zn	19663	L'Ecarpière, Gétigné, Loire-Atlantique, Pays De La Loire, France	L'Ecarpière	Chauris et al. (1994)	PMGFRA_243	from pg 262: "The lead-zinc veins (230-210 Ma, K-Ar dating) seem to be the youngest and the antimony veins are of intermediate age"
Giersdorf_00000661	290	270	290-270	U-Pb	The age of mineralization being post-cooling of the 300-340 Ma granite bodies restricts the formation of the Uranium minerals to being genetically derived.	U	292955	Pen Ar Ran, Piriac-sur-Mer, Loire-Atlantique, Pays De La Loire, France	Penaran Mine	Chauris et al. (1994)	PMGFRA_243	Age of the uranium mineralization in the Armorican Massif is associated with Hercynian peraluminous granites. From pg. 262: "The precise chronology of these mineralizations is not well established. The uranium veins appear to be the oldest (290-270 Ma by U/Pb dating) but underwent late remobilization processes."
Giersdorf_00000661a	230	210	230-210	K-Ar	The age of mineralization being post-cooling of the 300-340 Ma granite bodies restricts the formation of the Uranium minerals to being genetically derived.	Pb, Zn	292955	Pen Ar Ran, Piriac-sur-Mer, Loire-Atlantique, Pays De La Loire, France	Penaran Mine	Chauris et al. (1994)	PMGFRA_243	from pg 262: "The lead-zinc veins (230-210 Ma, K-Ar dating) seem to be the youngest and the antimony veins are of intermediate age"

Sample	Source Locality	Reference URL
R110147	Saint-Aubin-des-Châteaux, Loire-Atlantique, Pays De La Loire, France	https://rruff.info/R110147

All locality data graciously provided by mindat.org

All age data...