Gold and associated minerals in the Waikaia placer gold mine, Northern Southland, New Zealand Christine McLachlan, Marianne Negrini and Dave Craw Geology Department, University of Otago, Dunedin, New Zealand ABSTRACT The Waikaia alluvial gold mine is hosted in a Pleistocene paleochannel that is buried beneath younger sediments beside …

Alluvial gold was first discovered in the Coromandel in the 1850s, and the area was declared a goldfield in 1862 following the discovery of gold-bearing quartz. The Warden's Offices were responsible for the local management of gold mining.

Today there are two main gold producing areas in New Zealand: Macraes in the South Island and Martha in the Waihi area in the North Island (Figure 1). Mining is a significant contributor to New Zealand's GDP, amounting to NZ$3.1 billion in 2020. The country produced 264 Koz of gold in 2019, down from a high of 408 Koz in 2015.

EPM 25357 is located in central east Queensland, approximately 390 km west-southwest of Innisfail on the Gulf Development road, 30 km southeast of Croydon township. The Croydon Tin Project consists of EPM 25357 with six (6) ML applications in the south (ML30242-30247). The six mining leases cover approximately 300ha of alluvial tin …

Alluvial mining for platinum is discussed less often than alluvial mining for gold and diamonds, and it has a shorter history. Alluvial deposits of platinum were first mined in Russia's Ural ...

Alluvial gold is found beneath the surface at the bottom of a creak or stream. Alluvial gold mining is the process of extracting gold from these creaks, rivers and streams and is generally considered to be the most …

8. Gruyere. Gruyere, which is a 50/50 joint venture between Gold Road Resources (ASX: GOR) and Gold Fields, is a high-grade, low-cost, open-pit gold mine located in Western Australian. Discovered ...

NZP&M Alluvial Gold Mining Permit Guide. Complying with your alluvial gold mining permit. Crown minerals are owned by the Crown (the New Zealand government) for the …

Up to 2003, about 538,640 kilograms of alluvial and 368,544 kilograms of hard-rock gold had been produced in New Zealand. The total value (in 2003 terms) was US$116.32 billion. A few large operations were responsible for most of the hard-rock gold. The Waiuta mine near Reefton produced 62,369 kilograms of gold between 1870 and 1951.

The Company's strategy is to acquire and explore highly prospective gold properties within the Otago Gold District in New Zealand. KO Gold has eight -owned prospecting and exploration permits within the Otago Gold District, which includes the Smylers Gold Project for a combined land package of approximately 1,064 km 2. The Smylers Gold ...

Historical gold-mining activities in New Zealand were principally focused in the South Island goldfields of Nelson and Marlborough, Westland, Otago, and Southland, and the North Island goldfields located on the Coromandel Peninsula. Alluvial gold was first discovered near ... Under pressure from mining companies the Mines Department ...

The majority of medium impact applications (eg, small/medium scale alluvial gold mining and drilling at numerous locations) generally cost in the range of $4,000 to $8,000 plus GST. High impact applications can cost from $50,000 to more than $100,000 plus GST. Applications for significant mining activities must be publicly notified.

Expert industry market research on the Gold Ore Mining in New Zealand (2024-2029). Make better business decisions, faster with IBISWorld's industry market research reports, statistics, analysis, data, trends and forecasts.

After graduating with an Honours Degree at the Otago School of Mines I worked in various hard rock mines in Australia, USA and Southern Africa both underground and opencast. This included several years in the deep mines on the Witwatersrand. On the Penalonga gold belt in eastern Zimbabwe I worked as Reduction Officer on a goldmine responsible …

Alluvial mining can involve recreational gold-panning and suction dredging in streams or, on a larger scale, commercial land-based gold mining in river beds and on river …

This graph shows the production from different types of gold mining in New Zealand from the 1850s to the 2000s. In the 1850s to 1900, alluvial gold dominated. Two dredging booms (also alluvial gold) occurred, one about 1900 the other in the 1930s. Hard-rock mining became increasingly important ...

Other regional or national mining-related environmental regulations include various administrative actions in the United States, most notably the Clean Water Act, New Zealand's Resource ...

Between the 1860s and the 1920s, there were two major booms in gold production in The Coromandel. In the 1860s, gold diggers flocked to the area in search of alluvial gold. In the decade after 1900, as methods to extract the gold developed, underground hard-rock mining produced greater capacity. Coromandel Town and …

Our Business. We are a nationally owned artisanal, small scale alluvial gold mining and domestic trading company focused on mining, buying and selling gold in Papua New Guinea to assist our rural communities of artisanal and small scale alluvial miners earn a respectable living. Artisanal and small-sacle mining (ASM) provides a livelihood for ...

The initial use of the dredging method in mining alluvial deposits began in New Zealand in 1882, and its first successful application in the United States took place in the Bannack of Montana in 1894 . Thus, dredging ensured that the river pebbles could be dredged along the entire river in search of gold while at the same time the waste ...

ASX Gold Companies. There are 178 companies in the Gold sub-industry listed on the Australian Stock Exchange (ASX) Use the filters below to refine the list of companies, or click a company name to see information, share …

New Zealand's goldfields. New Zealand has three main goldfields and each has its own geology. In Otago (and Marlborough) gold is found in quartz veins in schist and in river gravels which have weathered from …

Both exploration permits were granted for a 5-year term and are highly prospective for gold based on historical exploration work and alluvial gold workings in the area. With …

These are advances on the rocker boxes and other gold mining technology used by miners a hundred years ago. They are also just scaled down versions of what the high production commercial miners use. Alluvial Gold Mining or river gold mining is still the most popular form of gold prospecting in New Zealand. Alluvial gold is the easiest gold to ...

A research study published in the scientific journal Nature last week has warned about the impact of mining stream beds, known as alluvial mining, on river systems. The study's authors found that gold and mineral mining in and near rivers is degrading waterways in 49 countries. The research focused on tropical waterways, …

March 3, 2011. Alluvial is a term that refers to soil sediments and the various sand, silt, gravel, clay or other deposited matter left behind by flowing water. "Alluvial gold" refers to the type of gold dust found in that kind of soil. When the beds of rivers or streams are scooped and panned for gold dust, the product is referred to as ...

The most common gold mined in New Zealand by prospectors is Alluvial Gold or River Gold. In its alluvial state gold is found as a pure mineral rolling around at the bottom of streams and rivers (or where streams and rivers have previously been). ... Some facts about gold mining in New Zealand. ... In 1889 the New Zealand Crown Mines Company at ...

Their property – 700-800 metres from the mine site, he estimates – overlooks the river, and the Clutha Gold Cycle Trail. (The mining company and the trail's manager, Clutha Gold Charitable Trust, have agreed to divert the trail around the mine, for 1150m.) "We were attracted to this area because of the rural setting," Graeme Young says.

The New Zealand Mining Map features information on coal, hard rock and alluvial gold mines and projects, ironsand mines and projects, as well as phosphate, ilmenite and tungsten projects. The detailed map is a large 1.2m x 0.83m poster and provides a clear, insightful picture of the country's mining and mineral permitting activity.

Gold eroded from veins has been concentrated in sediments in valleys, basins and coastal plains as alluvial gold deposits in all gold bearing areas of New Zealand. These alluvial gold deposits have been, and are, an important resource especially in Otago and Southland. see The Gold Cycle (Southern Alps) and Gold at St Bathans

Once the easy alluvial gold had been won, mining became mechanised and sluicing claims began. Working deeper alluvial leads required cooperation, the amalgamation of claims, and capital. Companies were formed, and most of the gold won after the 1870s was taken by companies where miners were paid wages, rather than by individual miners.

KO Gold is a Canadian-based exploration company focused on exploring the world-class Otago Gold District on the South Island of New Zealand. KO Gold owns four prospecting and exploration permits in the region, and has an option on the Smylers Gold Project located immediately adjacent to the active Oceana Gold Macraes Gold …