Nature and genesis of Kalimantan diamonds

The origin of alluvial diamonds from the four main diamond mining districts in Kalimantan was studied through characterisation of their properties, and determination of PT …

Diamond from Borneo

Setijadji, L.D., Basuki, N.I., & Prihatmoko, S. (2010) Kalimantan mineral resources: an update on exploration and mining trends, synthesis on magmatism history and proposed …

Nature and genesis of Kalimantan diamonds

Most diamond production from Kalimantan (meaning "River of gold and diamonds") since ancient times (~ 600 AD, Webster and Anderson (1983)) up to the present day has been from Quaternary to Recent alluvials, with minor mining of Cretaceous and Eocene conglomerates (Van Bemmelen, 1949). There are four producing areas, located in West, South ...

Tracing the depositional history of Kalimantan diamonds …

Our data support a model whereby the majority of Kalimantan diamonds were emplaced within the North Australian Craton by volcanic processes. Partly re-deposited into paleo-collectors or residing in their primary host, these diamond-deposits spread passively throughout Southeast Asia by terrane migration during the Gondwana breakup. Terrane …

The Exploration History, Geology, and Exploitation of the …

an example of a small gold mine operation in Kalimantan(B. Gunter) PROJECT HISTORY. West Kalimantan was the site of an extensive gold rush in the 18th century. Tens of thousands of Chinese miners were lured from agricultural areas of southern China. It is estimated that West Kalimantan produced one seventh of total world gold output at that time.

From Glimmer to Grind: Unveiling the Conflict Potential of …

Diamond mining in South Kalimantan, Indonesia, has long been regarded as a beacon of economic promise, offering the prospect of financial uplift for communities nestled within the intricate network of traditional mines [7,8]. However, beneath the glittering surface of prosperity, the complex social dynamics that simmer beneath the veneer of ...

(PDF) The Enigmatic Sundaland Diamonds – a Review

Alluvial diamond occurrences with no obvious primary sources are present in several scattered locations in Myanmar, Thailand and Sumatra ("Sibumasu diamonds") and in four districts in Kalimantan ...

Small-scale Mining in Indonesia

Pertambangan Rakyat or Peoples Mining - are gold or diamond SSM operators who work under a permit, or who as a group are allowed to mine the alluvial diamond fields in South Kalimantan and parts of West and Central Kalimantan. Specific areas with alluvial diamond potential were decreed to "Peoples Mining" by President Sukarno during the ...

Socio-Economic Analysis of Traditional Diamond Mining …

Since the 8th century, the South Kalimantan region was known as a diamond producer, especially in the Cempaka Sub-District, Banjarbaru City. Local communities have carried out the work as a ...

Socio-Economic Analysis of Traditional Diamond Mining …

Since the 8th century, the South Kalimantan region was known as a diamond producer, especially in the Cempaka Sub-District, Banjarbaru City. ... This study aims to determine the effect of diamond mining on the socio-economic conditions of the miners, especially related to income and expenditure. Primary data collection was carried out in May ...

Deadly Coal

East Kalimantan's development plans have set aside 3.12 million hectares of land for KP mining concessions, more than the 2.49 million hectares allocated for agriculture. East Kalimantan has predicted coal reserves of 1.983 billion tonnes and coal has helped make it the largest provincial economy in Kalimantan.

The Diamond Deposits of Kalimantan, Borneo

The island of Borneo is one of the oldest known -and least reported on -sources of diamonds. Although diamond mining historically was concentrated in the western area of what is now Kalimantan, recent activity has focused on the alluvial deposits in the southeast. A progress report on t11e first bulk sample pit in this area found th4t significant amounts of diamonds appear to …

The gold and diamond rush in Kalimantan | Indonesia Project

A massive gold and diamond rush, triggered by market developments, political‐economic change, and technological innovation, has drastically transformed riverine landscapes, induced migration, and provided substantial wealth in parts of Kalimantan. Artisanal gold mining has grown into a major economic sector over the past three decades ...

Indonesian Gemstones

The village of Cempaka, and other villages near Martapura in South Kalimantan are sources for Indonesian gemstones and good quality diamonds have been found in Kalimantan for many years. During colonial times, the Dutch mined diamonds in this region, though mining was carried out almost a thousand years before this.

THE DIAMOND DEPOSITS OF KALIMANTAN, BORNEO

Sending out its beautiful glow all around the world, these sparkling gems are unearthed from various diamond fields in the province, but the most notable are found at the Cempaka Diamond Fields, by the town of Banjarbaru, in South …

The Diamond Deposits of Kalimantan, Borneo | Gems

The island of Borneo is one of the oldest known —and least reported on—sources of diamonds. Although diamond mining historically was concentrated in the western area of what is now …

Traditional vs Modern Methods in Diamond Mining in …

Traditional diamond mining in Kalimantan, often referred to as artisanal mining, involves small-scale operations carried out by local miners using rudimentary tools. The most common …

Nature and genesis of Kalimantan diamonds

The origin of alluvial diamonds from the four main diamond mining districts in Kalimantan was studied through characterisation of their properties, and determination of PT and age of formation of representative collections of diamonds from four localities of the island. The diamonds are mostly colourless, yellow or pale brown, shiny surfaced ...

e Existence of Women Diamond Miners in Pumpung, …

labor as diamond mining technology advanced, yet there was still one group of diamond miners. Women working in diamond mining typically have close ties to family or other relatives. ey reside not distant from the location of the diamond mine in Pumpung, Sungai Tiung Village, Cempaka Dis-trict, Banjarbaru, South Kalimantan would be the

The provenance of Borneo's enigmatic alluvial diamonds: A …

The Cempaka diamond deposit is located in SE Kalimantan (3°30′S, 114°45′E) (Fig. 1). Following decades of placer mining by local residents, it is the only diamond deposit in Kalimantan that has been mined on a commercial scale, namely by BDI Mining and other companies from 2002 to 2009 (van Leeuwen, 2014).

Indonesia accounts for over 50% of deforestation …

Coal extraction in the Indonesian province of East Kalimantan drove the mining-related deforestation in the country. Indonesia accounts for over 50% of deforestation caused by large-scale mining ...

Cempaka Diamond Mine

Nice diamond mine cempaka Martapura Kalimantan Indonesia to see the people try their lucky to find diamonds If you want visit diamond mine in cempaka Martapura Kalimantan Indonesia please contact+6282155625555 thanks so much for your attention . Read more. Written October 8, …

Cempaka diamond fields, Riam Kanan, South Kalimantan …

Cempaka diamond fields, Riam Kanan, South Kalimantan Province, Indonesia : Alluvial diamond (and gold) mining using traditional means and methods. Located about 47 km from …

The Diamond Deposits of Kalimantan, Borneo | Gems

Although diamond mining historically was concentrated in the western area of what is now Kalimantan, recent activity has focused on the alluvial deposits in the southeast. A progress report on the first bulk sample pit in this area found that significant amounts of diamonds appear to be concentrated beneath the center of the Danau Seran swamp.

Cempaka the best diamonds and gemstones of …

Cempaka Diamonds and gemstone of local traditional mining by penny and digging are worlds famous souvenirs, of the Martapura Market combined with Borneo's Dayak Culture Tribes in the Rainforest, to explore wildlife as a …

The Exploration History, Geology, and Exploitation of the …

The Exploration History, Geology, and Exploitation of the Buduk Gold Mine, West Kalimantan: an example of a small gold mine operation in Kalimantan (B. Gunter) 00.0 E 105 N 00.0 E Figure 1. Locality map of the Buduk Gold Mine in West Kalimantan. 00.0 E 130 00.0 E 125 00.0 E 120

Cempaka Diamond Fields | Kalimantan, Indonesia

Mining at Kalimantan's largest diamond mine at its most basic, cheap, picturesque, and – for the bold – participatory. At the Banjarbaru roundabout take a green passenger truck southbound to Desa Pumpung (6000Rp, 15 minutes, 7km), then walk 700m south from the main road.

The Existence of Women Diamond Miners in Pumpung, South Kalimantan…

In South Kalimantan, women started working in traditional mines, especially the diamond mine in Pumpung, Sungai Tiung Village, Cempaka District, Banjarbaru City. The data were collected and arranged chronologically according to the time of the incident by way of interviews and searching for documents or archives stored as records.

Tracing the depositional history of Kalimantan diamonds by …

To constrain the origin and emplacement history of the headless Kalimantan diamonds, we combined diamond morphological descriptions with aspects of sediment …

MARTAPURA DIAMOND & GEMSTONE MARKET …

Martapura, particularly the Cempaka district, is a well known producer of diamonds. Several mining villages exist, such as Lukaas and Sungai Tiung, lying five kilometers from Martapura.People can be seen panning for diamonds at …