Tectonic map of South East Asia and the south …

Pliocene island-arc-hosted world-class porphyry deposit of Batu Hijau is located on the island of Sumbawa, Indonesia (Fig. 1), and it is one of the largest Cu and Au resources in the south-west ...

(PDF) KARAKTERISTIK MINERALISASI DAN GEOKIMIA SKARN …

Tujuan dari penelitian ini untuk mengetahui karakteristik mineralisasi dan geomikia bijih endapan skarn Pb-Zn-Cu-Ag dengan menggunakan metoda analisis petrografi, mikroskopis bijih, dan geokimia ...

Early stage alteration map of the Batu Hijau …

With the advent of laser ablation-multi-collector-inductively coupled plasma-mass spectrometry (LA-MC-ICP-MS), in-situ data acquisition has fostered the study of ore-forming processes with ...

Mineralogy, Lithogeochemistry and Elemental Mass Balance …

The Batu Hijau mine is a world-class deposit of copper and gold as defined by its position among the top 10 percent of deposits in the world in contained metal abundance. ... (INAA) and ICP-MS. The geochemical data were used to evaluate quantitatively the mass balance of major and minor elements that accompanied …

The Batu Hijau porphyry copper-gold deposit, Sumbawa …

The Batu Hijau porphyry Cu Au deposit lies in southwest Sumbawa Island, Indonesia. It is a world-class porphyry Cu deposit in an island are setting, and is typical of this deposit type in most features, including igneous association, morphology, hydrothermal alteration and mineralisation style.

The region was not previously recognised as a porphyry Cu …

A Preliminary Study on Skarn‐Related Calc‐silicate Rocks Associated

1. Introduction. The Batu Hijau porphyry Cu-Au deposit is situated in the south-western part of Sumbawa Island, Indonesia ().The deposit contains 914 Mt of ore at an average grade of 0.53% Cu (10.58 billion pounds copper) and 0.40 g t −1 Au (11.8 million ounces gold). The Batu Hijau mine, since its discovery in 1990, has been investigated by many …

Significance of chlorite hyperspectral and geochemical

Batu Hijau deposit (Indonesia) developed in the Pacific rim metallogenic domain is a typical PCD in subduction setting. Chlorite is closely related with Cu mineralization and widely developed (Wilkinson et al., 2015). Fe and Mg contents for chlorite in the propylitic stage of Qulong deposit is similar to that of Batu Hijau deposit.

(PDF) HUBUNGAN KEKERUHAN, pH DAN SUHU TERHADAP …

Kerang hijau (Perna viridis) memiliki kemampuan untuk mengakumulasi logam dari lingkungan. ... (Point 2) a significant increase before receiving effluent which is: 0,0031 ppm; 0,001 ppm; 0,0001 ...

A data screening approach to confirming a target mineral is …

Here we present a method to identify chlorite based on the major and minor element content, from both LA‐ICPMS and EPMA data. Further we present a dataset of 3,317 analyses of chlorite and have ...

Simplified map of hydrothermal alteration zone of the Batu Hijau

Tin concentrations of muscovitized biotite range from 196 to 558 ppm, muscovite from 57.7 to 332 ppm, chloritized biotite from 1.62 to 527 ppm, K-feldspar from 4.16 to 6.97 ppm, kaolinized K ...

Fluid Evolution at the Batu Hijau Porphyry Cu-Au Deposit, …

We propose a formation model for the Batu Hijau porphyry Cu-Au deposit in which mostly barren quartz veins formed at high temperature (>400°C) in the central part of the system, while sulfide mineralization commences to form peripheral to this zone. ... Combined IR Microscopy and LA-ICP-MS Study of Fluid Inclusions in Opaque Ore …

Frontiers | Chlorite geochemical vectoring of ore …

The data set used here is dominated by analyses of chlorite from Cu-Mo (Superior district, El Teniente, and Tongshankou) and Cu-Au (Northparkes district and Batu Hijau) porphyry systems. Of these the data set contains more analyses from El Teniente …

Iron-isotope systematics from the Batu Hijau Cu-Au …

We present iron isotope analyses, measured using multi-collector ICPMS, of magmatic intrusive rocks and coeval hypogene ore minerals from the Batu Hijau …

Tectonic map of southeast Asia and the southwest …

While the individual LA-ICP-MS data appear 735 to be accurate (Fig. 11), weighted means and standard errors of high-n datasets (e.g. 3.879 ± 0.039 Ma for Old Tonalite) may provide precise mean ...

Gold paragenesis and chemistry at Batu Hijau, …

At the Skouries (Greece), Batu Hijau (Indonesia), and Kingking (Philippines) PCDs, bornite contains ~1 ppm Au, whereas chalcopyrite has about an order of …

(PDF) A Preliminary Study on Skarn‐Related Calc

PDF | Batu Hijau is a world-class gold-rich porphyry copper deposit, situated in Sumbawa Island, Indonesia. Deep drilling indicates that several... | Find, read and cite …

(PDF) The Batu Hijau porphyry copper-gold deposit, …

The Batu Hijau porphyry copper-gold deposit, Sumbawa Island, Indonesia . × ... including 169 ppb Au in BLEG samples and 580 ppm Cu in stream silts 1 km from the deposit. Mineralisation in bedrock at surface contains > 0.1 wt % Cu and > 0.1 ppm Au over an area of 0.6 k m × 1.2 kin, including a zone 300 m × 900 m containing > 0.3 wt % Cu ...

Chlorite and epidote chemistry of the Yandong Cu

Similar to the case of Batu Hijau (Wilkinson et al., 2015), vanadium concentrations in both Chl-1 and Chl-2 are most elevated near the orebody (Appendix V). Zinc content of chlorite increases exponentially with increasing distance from the Batu Hijau orebody, while Zn in the Yandong Chl-1 and Chl-2 are the highest near the orebody …

Short-wave infrared (SWIR) spectral and geochemical

The Batu Hijau and Yandong propylitic chlorite both formed through replacement of pyroxene or hornblende in volcanic rocks with basalt to basaltic-andesite compositions by magmatic hydrothermal fluid associated with porphyry mineralization (Wilkinson et al., 2015, Xiao et al., 2018a), while the Laowangou chlorite was formed by …

Iron Isotope Fractionation in Magmatic-hydrothermal …

AnEXTENDED ABSTRACTis available for download._x000D_ A full-length paper was notprepared for this presentation._x000D_ The Batu Hijau porphyry Cu-Au deposit in south-western Sumbawa, Indonesia is an ideal natural laboratory to study the fractionation of iron isotopes in magmatic rocks that range in composition from basaltic andesite to tonalite. …

Chlorite mineralogy, geochemistry and exploration implications…

LA-ICP-MS trace element data for the Xiaokelehe chlorite are given in Table S2 (Supplementary material) and illustrated in Fig. 8. Manganese is the most abundant trace element in the three chlorite types, and trace elements of K, Ti, Li, V, Cr, Co, Ni, Zn, Ga and Sr have been detected in most samples (1–1000 ppm), above their respective ...

Gold paragenesis and chemistry at Batu Hijau, Indoneisa: …

Here we report the results of petrographic, electron microprobe, laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), and flotation test studies of gold and associated copper sulfides within a paragenetic framework from the world-class Batu Hijau (914 mt @ 0.53% Cu, 0.40 g/t Au) porphyry copper gold deposit, Indonesia.

The chlorite proximitor: A new tool for detecting porphyry ore deposits

These plots show that anomalous concentrations of Cu (> 328 ppm), Mo (> 0.97 ppm) and Au (> 7.4 ppb) can be identified in samples up to 1 km from the Batu Hijau center. Concentrations of Zn (> 111 ppm) are more variable but there are anomalous concentrations at ~ 1.0–1.5 km, with rare elevated values extending as far as 2.3 km ( …

Chlorite chemistry of Tongshankou porphyry-related …

Among all types of chlorite in the Tongshankou, the G-type chlorite (Fig. 4 i) is similar to the published chlorite data in the typical porphyry systems, which are mainly formed by replacing mafic igneous minerals (e.g., biotite, hornblende and pyroxene), for instance at the Batu Hijau (Wilkinson et al., 2015) and Yandong (Xiao et al., 2018b) PCDs.

The Batu Hijau porphyry copper-gold deposit, Sumbawa Island, Indonesia

Associated stream sediment sampling identified a broad area of anomalous Au and Cu in an area of greater than 5 km 2 around Batu Hijau, including 169 ppb Au in BLEG samples and 580 ppm Cu in stream silts 1 km from the deposit. Mineralisation in bedrock at surface contains > 0.1 wt % Cu and > 0.1 ppm Au over an area of 0.6 km × …

Exploration Targeting in Porphyry Cu Systems Using …

A new, robust regression of the Batu Hijau data (Wilkinson et al., 2015; data in the range 764-2,300 m, excluding data from the west traverse) gives a good fit (R 2 = …

Iron-isotope systematics from the Batu Hijau Cu-Au

The geochronological data from the Batu Hijau district are further evidence that rapid porphyry emplacement and ore formation (<100 ka) are the product of a longer term evolution (a few 100 ka) of ...

Primary Ore Mineral Assemblage and Fluid Inclusion Study of the Batu

The Batu Hijau mine, since its discovery in 1990, has been investigated by many researchers including Meldrum et al. (1994), Irianto and Clark (1995), Maula and Levet (1996), Mitchell et al. (1998 ...

(PDF) The Batu Hijau porphyry copper-gold deposit, …

The Batu Hijau porphyry copper-gold deposit, Sumbawa island, Indonesia . × ... including 169 ppb Au in BLEG samples and 580 ppm Cu in stream silts 1 km from the deposit. Mineralisation in bedrock at surface contains > 0.1 wt % Cu and > 0.1 ppm Au over an area of 0.6 k m × 1.2 kin, including a zone 300 m × 900 m containing > 0.3 wt % Cu ...

Element transport and enrichment during propylitic …

This is similar to Batu Hijau but over a shorter distance. Lithium, Mn and Sr concentrations in propylitic chlorite of Yandong do not show obvious variation patterns (Xiao et al., 2017), and Zn concentrations are highest close to the orebody unlike at Tuwu and Batu Hijau. Titanium and V concentrations in propylitic chlorite decrease sharply ...

(PDF) A Preliminary Study on Skarn‐Related Calc

Whole-rock geochemical data of the Batu Hijau calc-silicate rocks ... 21.1 and 40.8 ppm. Gold content is very low with an. ... FA-AAS and ICP-MS of selected samples taken were performed. Skarn ...

Compositions of Cu-(Fe)-Sulfides in the 109 Reduced Granite

Thus, the data for Au in chalcocite given by Kesler et al. are significant, with maximum values of 4.24 ppm and 13.0 ppm reported for the chalcocite in the Batu Hijau and Skouries porphyry deposits, respectively.

PROGRAM STUDI FISIKA FAKULTAS SAINS DAN …

09 October 2017. Data collection was carried out using two PPMs which functioned as a basis and rover with an observation point of 127 and inter space the point is around 50 mx 50 m. The parameter used in this study is the value of stone susceptibility. Data processing is done by using information and data to

Siapa Bilang Menambang itu Mudah? ~ andyyahya

Jika konsentrasi suatu unsur masih lebih rendah dibandingkan konsentrasinya di alam, maka unsur itu belum bernilai ekonomis. Sebagai contoh, konsentrasi Clarke dari emas (Au) di kerak bumi sebesar 0,004 ppm. Untuk mencapai nilai ekonomis, emas harus mengalami konsentrasi sebesar 1.000 kali lipat atau sebesar 4 …

Chlorite as an exploration indicator for concealed

At Batu Hijau (Indonesia), for instance, some workers found that Mg-rich chlorite with shorter wavelength of Pos2250 occurs closer to the mineralization center (Neal et al., 2018), and that higher contents of Ti, V, Fe, Zn and ratios of Mg/Sr, Mg/Ca, Ti/Sr, Ti/Pb and V/Ni can effectively vector toward the mineralization center (Wilkinson et al ...