Minerama Book 2: BERYL 1993

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Shoalhaven District Geology.

Minerama Book 1. MOLYBDENITE 1992

 I've just been through all my numerous blogs, making corrections and improving the overall appearance. I've found lots of links that no longer work and in particular links to downloading the old Minerama books. 

These are important reading for people interested in visiting Glen Innes and so I have decided to put up copies on this blog.They are as issued - no changes have been made. 

I have found it very difficult to copy this document. It looks untidy but at least all the information is there,

Here is number 1 - Molybdenite

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Limestone Caves of NSW

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Shoalhaven District Geology.

THE INVERELL METALLOGENIC MAP AND MINE DATA SHEETS

THE INVERELL METALLOGENIC MAP AND 

MINE DATA SHEETS

Before reading this blog, it would be best to read the similar blog about the Grafton-Maclean map. This may be found here. The relevant reference number for the map and mine data sheets in DIGS is R00056102.

The Inverell package may be found by opening DIGS. The reference number is R00050906 (which includes the map). The reference number for the map alone is R00027907.

The Inverell map seems to be a poorer copy than the Grafton-Maclean one, making an enlargement harder to read.

You will soon appreciate what a large number of mineral deposits there are in the area, including at The Gulf (north west of Emmaville), Tingha and the Copeton diamond fields.

Here is an extract from the map. 

To illustrate the information to be found in the Mine Data Sheets, I’ve chosen the deposit number 585. The location is south of Inverell, east of Copeton Dam. Fortunately for us, the data sheets are in a single volume, not dismembered like the Grafton sheets are. Upon opening the data sheets you will find quite a lot of valuable information on the geology of the region and the nature and formation of the many mineral deposits.

The data sheets commence on page 104. Deposit 585 will be found on page 377. Here is the information.

 This is a typical set of information, in this case for Fox’s Garnet Lode. I must admit I can’t locate it on the map – it’s quite a congested area – but the information is all there for you to use. Mindat (here) provides additional information when the deposit name is put in the search box. Here is what I discovered. 

By following the map Mindat provides (and choosing the satellite image) you will discover that the Lode is just north of the Howell Road, which leads to the old town site of Howell and the Conrad group of mines.

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Limestone Caves of NSW

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Shoalhaven District Geology.

THE GRAFTON-MACLEAN METALLOGENIC MAP

THE GRAFTON-MACLEAN METALLOGENIC MAP

The NSW Geological Survey has compiled an extensive series of reports which can be used to assist in the search for new mineral deposits or simply to locate existing ones. The Grafton-Maclean Metallogenic Map group of documents may be downloaded from DIGS (here) using this reference number: R00056102. The files take up about 65 MB and consist of many related documents apart from the map itself. These represent the original report broken up into sections.

The map includes the Torrington and Emmaville districts and extends southwards to Glencoe. The western edge of the sheet joins the Inverell map, and it extends to the coast in the east. The Inverell map will be the subject of a later blog.

The map provides a vast amount of information – geology, structure and mineral deposits as well as the underlying topography, roads, watercourses etc. This can make locating something quite difficult and frustrating, so it’s important to become familiar with the meaning of the colours and symbols provided around the margins of the map. Here is an example of what the map contains:

The rest of the documents in the downloaded folder provide information on the background geology and the individual mineral deposits. Take, for example the deposit number 1837, roughly in the centre of the extract. The table of mineral deposits (left of map) describes this as “Back Plain Creek sapphire (Zr)”.

You will find the deposit listed in the file titled “Text_4.3MB_zip_of_4_deposit;_pdf” (the first of four of these). When the file is open, scan through until you come to “GR 1837”, which is the extract below.

More information can be found by looking up the Mineral Occurrence List in the second part of the above file, using the same deposit number (1837).

 You could expand your knowledge of the area by searching other deposit numbers nearby, whether you can find them on the map or not.

Another possibilty is to search the Mindat data base (here) using the mine name. This is what you will find for Back Plain Creek:

“Located approximately 15kms NNW of Glen Innes.
Operated as a small open cut and shallow pits 1971 to 1990s.

Mineral List

Corundum
var: Sapphire

Zircon

2 entries listed. 1 valid mineral.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Metallogenic Study and Mineral Deposit Data Sheets: Grafton-Maclean Metallogenic Map (SH/56-6, SH/56-7), Geological Survey of New South Wales, 2001: HF Henley, RE Brown, JW Brownlow, RG Barnes and WJ Stroud. Published by the Geological Survey of New South Wales.”

Finally, you might like to check out my blog on the Back Plain Creek area here.
Here is a link to a slide show of pictures from the data package: here.

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Shoalhaven District Geology.

STAGGY CREEK GEM FOSSICKING AREA NEAR INVERELL NSW AUSTRALIA

STAGGY CREEK GEM FOSSICKING AREA NEAR INVERELL NSW AUSTRALIA

Extract from "Diamonds in NSW"

Staggy Creek reserve is one of the few places in NSW where fossickers can go and have at least some chance of finding an alluvial diamond. It’s part of an extensive deep lead lying beneath the basalt, south of Inverell. Tin (cassiterite) was the main mineral being sought by miners in this area in the nineteenth century and diamonds were discovered during the search. This created a lot of interest at the time – and still does, judging by the amount of prospecting that has been going on during the last twenty years. Search DIGS using “Staggy Creek” as the locality and you will be surprised.

There’s a lot of good background information in my Blog “Alluvial Diamond Mining in the New England Region of NSW Australia” (here) and especially in the NSW Geological Survey publication “Diamonds in New South Wales”. You can download a copy from DIGS; the reference number is R00047949.

I’ve been there just once, at least 25 years ago. All I can remember finding is pieces of black tourmaline, which are everywhere.

Here’s what the Inverell Tourism website (here) has to say about Staggy Creek:

“STAGGY CREEK FOSSICKING AREA

Copeton diamonds - Australian Museum

The district’s rich volcanic soils can offer other gems and minerals. One such gem, is the amazing Diamond found near Copeton Dam; the Staggy Creek Fossicking Area provides a site where you can look for the Diamonds together with Black Tourmaline and Quartz. This is a rough dry area 28km from Inverell, you can take your water or dry sieve.

Contact Details: Copeton Dam Road (24km from the turn off Copeton Dam from Inverell)”      

This is what “Diamonds in NSW” has to say about the place.

Photo courtesy of Jewellery Pirate

“The Staggy Creek deposit is an isolated area of diamond-bearing Tertiary gravels exposed at the surface. There is no basalt overlying the deposit and granite bedrock surrounds the Tertiary gravels. The granite is remarkable in that it contains a number of potholes of circular shape and its surface appears to be the surface on which the Tertiary sediments were deposited.

The deposit consists of quartz pebbles, cobbles and boulders ranging from 5mm to 0.2m in diameter, jasper, a relatively large amount of tourmaline (much of which is unabraded), topaz and garnet (which is invariably present in the diamond bearing gravels). Many of the quartz boulders contains pencil tourmaline. An ironstone band similar to those at Kirk’s Hill and the Banca is present.” Read page 52 of the report for a fuller description.

Mindat (here) includes a reference to Staggy Creek.

Photo courtesy of Jewellery Pirate

“Staggy Creek lead, Copeton Dam, Hardinge Co., New South Wales, Australia

Latitude & Longitude (WGS84):	29° 50' 5'' South , 150° 53' 5'' East
Latitude & Longitude (decimal):	-29.8347337025, 150.884830683

Map sheets: SH 56-5, 9038-II-N. Coordinates: 295600mE, 6697500mN.
Placer deposit.

Mineral List:  Calcite, Cassiterite, Diamond, 'Garnet', Ilmenite, Magnetite, 'Olivine', Pyrite.”

Rather strangely, the Mindat list doesn’t include ‘tourmaline’, the most obvious mineral at Staggy Creek.

Here is a list of other resources you will find interesting.

Photo courtesy of Jewellery Pirate

Jewellery Pirate’s Blog. Thank you, JP, for the photographs of Staggy Creek. (Blog  no longer on the Internet February 2024.)

An account of a visit by the Campelltown Lapidary Club (here).

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All New England and other Geology blogs and videos

https://www.blogger.com/blog/posts/1325599670344725659?pli=1

Limestone Caves of NSW

https://www.blogger.com/blog/post/edit/1147003616874115974/2430103125095714141

Song Studies. Bible studies based on hymns and songs

https://www.blogger.com/blog/posts/1515863000684737715

Shoalhaven District Geology.