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Agate Creek fossicking area, Etheridge Shire, Queensland, Australiai
| Regional Level Types | |
|---|---|
| Agate Creek fossicking area | Diggings |
| Etheridge Shire | Shire |
| Queensland | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
19° 0' 16'' South , 143° 33' 37'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Located approximately 70 km South of Forsayth.
Agate Creek is a tributary of the Robertson River.
The agate creek collecting area covers approximately 45 km2 and is approximately 11 km in length.
Australia's premier agate locality. The first report of the locality in the literature was in the 1892 book Opals and Agates by Nehemiah Bartley. Bartley had visited the very remote location and gave the following account: “And how shall I describe this Sinbad's Valley, where agates are, the only real actual treasury of this kind on the face of the earth? …here we have the central valley itself, walled with cliffs, and grass-grown in places, and, in the centre, filled with agates of every size, shape, and colour, with more and more of them if you only choose to dig under the grass and soil at the sides, and unearth the buried treasures; while in the middle of the dry channel, where water runs in wet seasons, you may wade in tons of agates, sardonyx, onyx, and carnelian; and such ones, too!”
In 1900, W.E. Cameron of the Queensland Geological Survey reported the exact location of Agates Creek as a tributary of the Robertson River in the map accompanying his report on the Etheridge and Gilbert Goldfields. The map was marked “porcellainised shales underlying basalt with agates and carnelian stones.”
The locality seems to have been neglected in the first half of the 20th century owing to its remoteness and the abundance of agate on the world market from other sources such as Brazil and Idar Oberstein. Howard (2005) noted that in 1945 a Mr. G. Price mined a seam of blue-grey chalcedony varying in thickness from 50-300 mm and sold several hundredweight of the material for an average price of two shillings and sixpence a pound.
With the rise in interest in lapidary and rock hounding in the 1950's both hobbyists and commercial small-scale miners took an interest in the early reports of Bartley's Sinbad's Valley. According to Buchester (1972) a small group of enthusiastic Brisbane collectors set out to make the journey to Agate Creek. There were no guides and they practically had to make their own roads, however the agates collected and their accounts led to renewed interest in the locality. These collectors may have been Arthur (The Bear) Vievers and party. According to Wheeley (1976)"Arthur (The Bear) Vievers remembers that in about 1962 a Brisbane man named Ralph Barker showed him some stone which he (Barker) had brought out from Agate Creek. Arthur decided to go in and take a look himself. He, Burt Flanagan and a school teacher named Stanger drove to the place, it taking them all day to reach the breached dam. Next morning they proceeded further to find agate laying everywhere - to quote Arthur "Like spuds on top of the ground"".
During the 1960's and 1970's thousands of collectors visited the locality and eventually the area was designated fossicking area.
A fossicking licence is required whenever collecting here.
Some agates display fluorescence.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities5 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ Fluorite Formula: CaF2 References: |
| ⓘ Goethite Formula: Fe3+O(OH) References: |
| ⓘ Hematite Formula: Fe2O3 References: Sorrell, Steve (n.d.) Personal communication.Identified by Steve Sorrell: Visual Identification |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Quartz var. Agate Formula: SiO2 |
| ⓘ Quartz var. Amethyst Formula: SiO2 References: |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
| ⓘ Quartz var. Rock Crystal Formula: SiO2 |
| ⓘ 'Thunder Egg' References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 3 - Halides | |||
|---|---|---|---|
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz var. Agate | 4.DA.05 | SiO2 |
| ⓘ | var. Amethyst | 4.DA.05 | SiO2 |
| ⓘ | var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | var. Rock Crystal | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Unclassified | |||
| ⓘ | 'Thunder Egg' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Quartz var. Agate | SiO2 |
| O | ⓘ Quartz var. Amethyst | SiO2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Rock Crystal | SiO2 |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Agate | SiO2 |
| Si | ⓘ Quartz var. Amethyst | SiO2 |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Rock Crystal | SiO2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Fluorite | CaF2 |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
Localities in this Region
- Queensland
- Etheridge Shire
- Agate Creek fossicking area
- Etheridge Shire
Other Regions, Features and Areas containing this locality
Australia
- North Australian ElementCraton
- Queensland
- Etheridge ProvinceGeologic Province
Australian PlateTectonic Plate
- Delamerian Orogen
- Georgetown and Coen InliersOrogenic Belt
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Agate Creek fossicking area, Etheridge Shire, Queensland, Australia