MacDougall's Well Amethyst Diggings (Corona amethyst deposit), Farnell Co., New South Wales, Australiai
| Regional Level Types | |
|---|---|
| MacDougall's Well Amethyst Diggings (Corona amethyst deposit) | Diggings |
| Farnell Co. | County |
| New South Wales | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
31° 12' 43'' South , 141° 28' 15'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Name(s) in local language(s):
MacDougall's Well Amethyst Diggings
Located on MacDougall's Well pastoral station, the Amethyst Diggings are a series of shallow pits and trenches following quartz veins, often with amethystine or smoky quartz cores. The field covers an area around three square kilometres at the northern tip of the outcrop of the high grade metamorphic Willyama Complex rocks (within the Euriowie Block).
These rocks border the much younger Adelaidean sedimentary sequence of rocks along a profound unconformity. The amethystine veins criss-cross the area with some single veins having a lineal strike of over 500 metres. The area is noted for green quartz which has been concluded as sun-bleached amethyst, as it regularly changes to amethyst with depth. Different shades, colour and clarity of the quartz can be found across the field.
The diggings have often been named as the Corona Amethyst Field, however Corona is the neighbouring pastoral station, which is crossed to access the area. The diggings are located on MacDougall's Well Station.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Quartz Formula: SiO2 Reference: Trevor Dart collection |
| ⓘ Quartz var. Amethyst Formula: SiO2 Reference: Trevor Dart collection |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 Reference: Trevor Dart collection |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Amethyst | 4.DA.05 | SiO2 |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Amethyst | SiO2 |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Amethyst | SiO2 |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Barnes, R.G. (1988) Metallogenic Studies of the Broken Hill and Euriowie Blocks, New South Wales. 1. Styles of Mineralization in the Broken Hill Block. 2. Mineral Deposits of the Southwestern Broken Hill Block. Geological Survey of New South Wales Bulletin 32 (1,2), Department of Mineral Resources, Geological Survey of New South Wales, New South Wales.
Burton, G.R (2000) Metallogenic Studies of the Broken Hill and Euriowie Blocks, New South Wales. 4. Mineral Deposits of the Euriowie Block. Geological Survey of New South Wales Bulletin 32 (4), Department of Mineral Resources, Geological Survey of New South Wales, New South Wales.
Mindat Articles
The MacDougall's Well (Corona) Amethyst Field by Trevor DartOther Regions, Features and Areas containing this locality
Australia
- Curnamona ProvinceGeologic Province
- Broken Hill DomainDomain
Australian PlateTectonic Plate
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MacDougall's Well Amethyst Diggings, Farnell Co., New South Wales, Australia