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:
Höwenegg Quarry (Hewenegg Quarry), Immendingen, Hegau, Baden-Württemberg, Germany

Oldest recorded age at locality: 15.7
Youngest recorded age at locality: 15.7

mindat Locality ID: 1825
mindat URL: http://www.mindat.org/loc-1825.html

Tectonic Settings:

Total number of sublocalities beneath "Höwenegg Quarry (Hewenegg Quarry), Immendingen, Hegau, Baden-Württemberg, Germany": 0
Total number of bottom-level sublocalities: 0

Latitude: 47°54'36"N
Longitude: 8°44'50"E
Decimal Degree (lat, lon): 47.91,8.7472222222222

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.

Analcime	Aragonite	Calcite	Chalcopyrite	Clay	Clinozoisite	Epidote	Gismondine	Gypsum	Harmotome
Mica	Natrolite	None	Not in a structural group	Pyroxene	Smectite-vermiculite	Spinel	Thomsonite	Tobermorite	Tridymite

Amicite ()*	Analcime ()*	Aragonite ()*	Augite ()*	Calcite ()*
Celadonite ()*	Chalcopyrite ()*	Epidote ()*	Garronite-Ca ()*	Gypsum ()*
Harmotome ()*	Magnesite ()*	Makatite ()*	Merlinoite ()*	Mesolite ()*
Montmorillonite ()*	Mountainite ()*	Natrolite ()*	Nepheline ()*	Offretite ()*
Phlogopite ()*	Scolecite ()*	Spinel ()*	Thomsonite-Ca ()*	Tobermorite ()*
Tridymite ()*

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: Al Ba C Ca Cu Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al Ba C Ca Cu Fe H K Mg Na O S Si

Structural Groups for minerals in this locality:
Analcime Aragonite Calcite Chalcopyrite Clay Clinozoisite Epidote Gismondine Gypsum Harmotome
Mica Natrolite None Not in a structural group Pyroxene Smectite-vermiculite Spinel Thomsonite Tobermorite Tridymite

26 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Amicite ()*	Gismondine	K₂Na₂(Al₄Si₄O₁₆)·5H₂O	15.7	15.7	4
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	15.7	15.7	1627
Aragonite ()*	Aragonite	Ca(CO₃)	15.7	15.7	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	15.7	15.7	2060
Calcite ()*	Calcite	Ca(CO₃)	15.7	15.7	27770
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂	15.7	15.7	309
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	15.7	15.7	27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	15.7	15.7	8173
Garronite-Ca ()*	Gismondine	Ca₃(Al₆Si₁₀O₃₂)·14H₂O	15.7	15.7	66
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	15.7	15.7	6890
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	15.7	15.7	290
Magnesite ()*	Calcite	Mg(CO₃)	15.7	15.7	1487
Makatite ()*	None	Na₂Si₄O₈(OH)₂·4H₂O	15.7	15.7	8
Merlinoite ()*	None	K₅Ca₂(Si₂₃Al₉)O₆₄·24H₂O	15.7	15.7	17
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	15.7	15.7	425
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	15.7	15.7	1508
Mountainite ()*	None	KNa₂Ca₂[Si₈O₁₉(OH)]·6H₂O	15.7	15.7	5
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	15.7	15.7	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	15.7	15.7	884
Offretite ()*	Not in a structural group	KCaMg(Si₁₃Al₅)O₃₆·15H₂O	15.7	15.7	146
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	15.7	15.7	2273
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	15.7	15.7	390
Spinel ()*	Spinel	MgAl₂O₄	15.7	15.7	1934
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	15.7	15.7	452
Tobermorite ()*	Tobermorite	Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)	15.7	15.7	114
Tridymite ()*	Tridymite	SiO₂	15.7	15.7	458

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000615	MAGMATIC STYLE: Fragments in tuff and lapilli. ASSOCIATED SILICATE ROCKS: Olivine melilitite plugs and tuffs, and phonolite intrusions.

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Jen_0000615	15.7	15.7	15.7	K-Ar						Yes				35801	Hegau, Baden-Württemberg, Germany	Hegau	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...