Ayr, South Ayrshire, Scotland, UKi
Regional Level Types | |
---|---|
Ayr | Town |
South Ayrshire | Council Area |
Scotland | Country |
UK | Country |
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Latitude & Longitude (WGS84):
55° 27' 30'' North , 4° 37' 45'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
The Ayrshire countryside southwest of Glasgow is some of the most attractive and scenic countryside in southern Scotland.
Within this area basaltic and andesitic agate bearing rocks from the Old Red Sandstone (ORS) of the Devonian Period, about 380 million years old, comprise two main outcrops abutting the coast at Dunure and Turnberry/Maidens. These lava outcrops have been well surveyed and are clearly demarcated on the above geological map of Scotland. It is believed that the ORS lavas found near the coast also extend under the sea, but the size and extent of these structures is largely unknown. It is certainly the case that agates, many of which are very waterworn, are found well outside the seaward boundaries of the lava fields.
The ORS andesitic lava is also found stretching inland along the line of the Southern Upland Fault near Straiton, Dalmellington and New Cumnock and northeast towards Edinburgh. With some exceptions, agates that have been found in these areas are generally of a poorer quality than in the coastal localities. Many of the ORS areas to the northeast also mainly lie in grass-covered uplands that have not as yet been fully explored. A smaller subsidiary area of ORS andesite also occurs inland to the east of Kilmarnock near Galston. This is the site of the famous Burn Anne agate locality.
Ayrshire has produced a huge amount of agate over the years and collecting was particularly widespread in the 1970s and 1980s. This led to the depletion of certain sites although, as always, the keen collector manages to find plenty of possibilities if he or she is prepared to persevere.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities1 valid mineral.
Detailed Mineral List:
ⓘ Quartz Formula: SiO2 Reference: No reference listed |
ⓘ Quartz var. Agate Reference: Richter-Feig, Julia, Robert Möckel, Jens Götze, and Gerhard Heide. (2018) "Investigation of Fluids in Macrocrystalline and Microcrystalline Quartz in Agate Using Thermogravimetry-Mass-Spectrometry" Minerals 8, no. 2: 72. https://doi.org/10.3390/min8020072 |
ⓘ Quartz var. Chalcedony Formula: SiO2 Reference: No reference listed |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
ⓘ | Quartz | 4.DA.05 | SiO2 |
ⓘ | var. Agate | 4.DA.05 | SiO2 |
ⓘ | var. Chalcedony | 4.DA.05 | SiO2 |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | ⓘ Quartz | SiO2 |
O | ⓘ Quartz var. Chalcedony | SiO2 |
Si | Silicon | |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Quartz var. Chalcedony | SiO2 |
External Links
http://www.agatesofscotland.co.uk/ayrshire.html [A brief outline of agates of Ayrshire]
Localities in this Region
- Scotland
- South Ayrshire
- Ayr
- South Ayrshire
Other Regions, Features and Areas containing this locality
British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK
- Scotland
- ⭔StrathclydeRegion
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Heads of Ayr, Ayr, South Ayrshire, Scotland, UK