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What is mining : Types of Mines in New Zealand

Alluvial mining. Alluvial mining is the extraction of minerals (with a pump or machinery) from sediments such as sand or gravel. It is commonly used in New Zealand for gold, ironsand and garnet. Rehabilitation depends upon the area but is generally limited to the extracted area (replanting) and the supporting works (such as access ways and ...

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New Zealand's mineral estate

New Zealand's mineral estate. Crown-owned minerals are those minerals that are owned by New Zealanders and administered by the Crown, as set out in the Crown Minerals Act …

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Full article: Gold and associated minerals in the Waikaia …

Figure 1. Location maps for the Waikaia placer mine and regional context for alluvial gold. A, The Otago Schist goldfield in the South Island of New Zealand.B, Hillshade …

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Altau Resources secures EPLs for copper and gold

Africa-focused mineral exploration company Altus Strategies subsidiary Altau Resources has been granted a three-year exploration licence for the Zager copper/gold prospect in Ethiopia. Zager deposits are located in the Tigray National Regional State of northern Ethiopia. It is nearly 175km north-west of the Tigray state capital of Mekele and ...

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Report on Small-scale Mining in Papua New Guinea

the first time in 1949, along the Wanion River. The transfer of skills and knowledge of alluvial gold mining took place in the 1950s and 1960s when many residents, especially around the Wau/Bulolo area, applied for and were granted MLs. By the early 1970s, most expatriates who originally held mining leases for small-scale gold mining in the ...

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Where you find it – Te Ara Encyclopedia of New Zealand

In New Zealand, Otago and West Coast gold is purer (93–98% gold, with 2–7% silver or silver plus mercury), while on the Coromandel Peninsula it occurs as the gold–silver alloy electrum (typically 65% gold and 35% silver in the Martha mine at Waihī) along with separate sulfide minerals.

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PNG alluvial gold mining start-up seeks directors

09 May 2016. comments. Gryphon Minerals and Energy Melanesia intends to use the proceeds from alluvial gold production to provide the cash flow to explore for hard rock gold, base and platinum group metal deposits in the country. Gryphon chairman John Heugh explains: "The company, via its joint venture partners, has the rights to earn up to …

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Gold-Dredges: From Dunedin to Siberia | Global Dunedin

Gold-dredging was a New Zealand phenomenon. As early as 1863, during the alluvial gold boom, miner Charles Nicholson had invented a spoon dredge to lift gold-bearing gravel from the Molyneux (now Clutha) River, …

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Round Hill, Southland District, Southland Region, New Zealand

Round Hill, Southland District, Southland Region, New Zealand : 47 kg platinum were produced by the Round Hill Mining Company near Orepuki between 1897 and 1907. Alluvial gold mining scars, and ponds are found across an extensive area from 2 kilometres north ...

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Proposed gold mine receives permit

A proposed gold mine in Central Otago has taken a significant step forward by obtaining a mining permit, the company's proprietor says. ... "It's the most modern alluvial gold dredge in New Zealand and we are very happy to have it." The mining firm planned to use 105-tonne dump trucks to move overburden, or surface material, rather …

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Coromandel Peninsula – Te Ara Encyclopedia of New Zealand

The first rumours of gold in New Zealand came from the Coromandel Peninsula in the 1820s. Nothing came of the reports for decades. Then in 1852 some Aucklanders offered a reward of £100 for the discovery of a payable goldfield near Auckland. When the reward was increased to £500, a sawmiller named Charles Ring claimed it after he found golden ...

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Company has plans for new gold mine near Waikaia

A company is hoping to mine for alluvial gold near Waikaia, that may provide up to 15 jobs as well as hire local contractors. Bromoore Gold Limited owner Ross Daniel Moore has sought land use ...

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Alluvial gold: A geological model (Part 1) – Deposits Mag

Spain plundered, then mined, large amounts of gold, both alluvial and from hard-rock deposits, in the old Aztec and Inca empires in the first half of the 16th century, and Portugal followed up with discoveries in its African and Brazilian colonies. Russia mined gold in the Urals, and then Siberia was opened up for its alluvial gold deposits.

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Goldrush Online

Search over 85,000 records of goldminers from the Otago, West Coast and Thames goldrushes of New Zealand, spanning the years 1861 to 1872. This database has been transcribed and composed by Dr Kae , and is brought to you to search freely online using database software developed and operated by Dr Evan , as a community …

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History of mining – Te Ara Encyclopedia of New Zealand

The richer and most accessible ground was quickly exhausted, and larger-scale mining started in the 1870s. Alluvial gold was sluiced and dredged, and hard-rock gold and coal were worked in underground mines. This required substantial capital, and many speculative mining companies were set up, both in New Zealand and overseas.

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(PDF) Mining history of the New England region

David, T.W.E., 1887. Geology of the Vegetable Creek Tin-Mining Field, New England, New South Wales, Department of Mines, Geological Survey of Ne w South Wales, Government Printer, Sydne y, p. 7 ...

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Production

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 …

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Gold and the economy – Te Ara Encyclopedia of New Zealand

The Waiuta mine near Reefton produced 62,369 kilograms of gold between 1870 and 1951. The Martha mine near Waihī produced 311,845 kilograms of silver and 141,747 kilograms of gold between 1880 and 1951. New Zealand's total gold output in 2003 was worth over $200 million and is expected to increase. Profitable grams per tonne

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Goldmining in the Coromandel – Archives New Zealand

Goldmining in the Coromandel. 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.

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Mining

Home. Our work. Heritage topics. Mining - gold. By visiting DOC-managed gold mining history sites you can learn about New Zealand's gold mining history that began with the …

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the tin miners of Port Pegasus

A tramper's headlamp arcs a trail through the subterranean recesses of New Zealand's southern‑most mine. The 85-metre tunnel, driven into solid granite, survives as one of a handful of relics from New Zealand's only tin rush—a stampede of ill-prepared men into the miserable weather and impenetrable scrub of southern Stewart Island.Despite high …

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Indigenous communities in Zimbabwe struggle to hold Chinese …

Yet, a Chinese mining company continues to defy the government ban on alluvial gold mining, despite efforts by the Environmental Management Agency (EMA) to stop operations in line with a national government directive. ... Communities hosting mining companies and employees, it was reported, were experiencing untold suffering from …

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New Zealand Mining History

The most significant discovery in the Hauraki district was of the Waihi mine in 1880, which became one of the great mines of the world and is still being worked. From the 1870s, large companies were becoming dominant on most fields, with dredges and sluicing being introduced in alluvial districts. Production had faded by the 1920s, but for ...

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Top 10 Australian Gold Mines (Updated 2023)

6. St. Ives. Owned and operated by Gold Fields (NYSE: GFI,JSE:GFI), St. Ives is both an open-pit and underground mine, with two main open pits and three underground mines. In Gold Fields' 2022 annual report, the company reported that St. Ives produced 376,700 tonnes of the yellow metal for the period.

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Gold fossicking

New Zealand Petroleum & Minerals. Aorere River B (GFA 14) [PDF 199KB] 42014: New Zealand Petroleum & Minerals: New Creek (GFA 15) [PDF 205KB] 42015: New Zealand Petroleum & Minerals: West Coast region. Jones Creek (GFA 4) [PDF 194KB] 42004. New Zealand Petroleum & Minerals. Jones Creek (GFA 5) [PDF 194KB] 42005. New …

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New Zealand Institute for Minerals to Materials Research

MBIE funding details. Successful in their application for Regional Research Institute (RRI) funding in the 2016 call for applications, New Zealand Institute for Minerals to Materials Research received $11 million (excl GST) for the establishment of a West Coast-based Research Institute to drive a step change in value and thinking in use of …

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Prospecting, exploration and mining: Apply for permits

Anyone wanting to undertake activities such as prospecting, exploration and mining must have a permit from New Zealand Petroleum and Minerals. They also require permission from the landowner for access to the land. ... The majority of medium impact applications (eg, small/medium scale alluvial gold mining and drilling at numerous locations ...

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Unique West Coast gold dredge for sale | Stuff.co.nz

Minerals West Coast manager Phil McKinnel said there were about 30 small to medium family-owned alluvial gold mining companies operating on the Coast. ... on rehabilitating its New Zealand ...

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Gold and gold mining – Te Ara Encyclopedia of New Zealand

The first big find was near Thames in 1867. The gold was in hard rocks and expensive to mine, so companies rather than individuals took over. There were several very rich mines in this area, especially the Martha mine at Waihī. Mining today. Gold helped make New Zealand's economy successful because it attracted people, investments and shipping.

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