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:
Bras D'Or Lake Howlite Locality, Iona, Victoria Co., Nova Scotia, Canada

Oldest recorded age at locality: 340
Youngest recorded age at locality: 340

mindat Locality ID: 522
mindat URL: http://www.mindat.org/loc-522.html

Tectonic Settings:

Total number of sublocalities beneath "Bras D'Or Lake Howlite Locality, Iona, Victoria Co., Nova Scotia, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°56'48"N
Longitude: 60°49'44"W
Decimal Degree (lat, lon): 45.946666666667,-60.828888888889

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.

Calcite	Danburite	Gypsum	None	Not in a structural group

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: B C Ca H O S Si

Elements from minerals reported directly at this locality: B C Ca H O S Si

Structural Groups for minerals in this locality:
Calcite Danburite Gypsum None Not in a structural group

5 IMA Minerals at location:

Anhydrite ()*	Calcite ()*	Danburite ()*	Gypsum ()*	Howlite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	340	340	1588
Calcite ()*	Calcite	Ca(CO₃)	340	340	27770
Danburite ()*	Danburite	CaB₂Si₂O₈	340	340	148
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	340	340	6890
Howlite ()*	None	Ca₂SiB₅O₉(OH)₅	340	340	36

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
	sedcu-00232	340	340	Lower Carboniferous							Yes			Cu	233499	Iona, Victoria Co., Nova Scotia, Canada	Iona	Cox et al. (2003)		USGSOFR03_107

Sample	Source Locality	Reference URL
R050588	Bras D'Or Lake Howlite Locality, Iona, Victoria Co., Nova Scotia, Canada	https://rruff.info/R050588

All locality data graciously provided by mindat.org

All age data...