This study presents new secondary-ion mass spectrometry (SIMS) rutile and laser ablation–inductively coupled plasma–mass spectrometry (LA–ICP–MS) zircon U-Pb geochronological and whole-rock geochemical data for amphibolites of the Heilongjiang Complex, located within the Yilan area of NE China, to constrain the tectonic evolution of …

The second rutile type is recognized as euhedral brownish monomineralic inclusions (up to 300 μm) in garnet, kyanite, quartz, and zircon (Fig. 1 a-f). Rutile (up to 500 μm) of the third type constitutes garnet- and kyanite-hosted polyphase inclusions together with quartz, biotite, phengite ± K-feldspar ± tourmaline ± zircon ± apatite.

The rutile ages postdate Sm-Nd and U-Pb dates from the same rocks (Figure 9), but this may be explained partly by systematic offsets, with far higher external uncertainties on rutile dates relative to garnet or zircon dates. The preferential mafic-rutile Pb* loss is difficult to explain with our data alone; it could imply shorter effective ...

Sierra Rutile, a wholly-owned subsidiary of Iluka Resources, is a leading mineral sands company, operating world-class assets in Sierra Leone. ... and zircon from the world's largest natural rutile deposit. Mining Lease: Ilmenite, Rutile, Zircon. 232 22233184 theuns.debruyn@sierra-rutile Visit the Website. Categories. Other Investors ...

The effects of temperature (T) and pressure (P) on the Zr content in rutile have been empirically calibrated in this study by analysing rutile–quartz–zircon …

Detrital rutile: covering up zircon's blind spots 3.1. Age records. The strengths of using the age records of other accessory minerals such as rutile, instead of/ and/or complementary to zircon, relies much on the fact that although zircon is the ideal candidate for very precise and robust U–Pb dating, it mostly provides information about ...

Detrital rutile complements the detrital zircon record by providing constraints on the time and temperature of rifting and mafic magmatism, metamorphism, …

Due to the lower T C of rutile compared to zircon, rutile has the potential to become a key tracer in sedimentary provenance, especially in combination with zircon, …

The Ti content of zircon coexisting with rutile or other Ti-rich phases and the Zr content of rutile coexisting with zircon or other Zr-rich phases has a strong dependence on temperature (T) (Degeling 2003; Troitzsch and Ellis 2004, 2005; Zack et al. 2004; Watson et al. 2006).Zircon and rutile are common trace minerals, and thermometers …

Ilmenite, rutile, and zircon accounted for 2.6% of Kenya's total exports of about $5.1 billion1 in 2017; iron and steel, 2.2%; soda ash, 1.3%; and other minerals and mineral products, including cement, fluorspar, glassware, salt, scrap metal, and stone, sand, and gravel, 2.4%. Cement was exported, including to the countries of Tanzania and ...

Global production of zircon, ilmenite, and rutile has gradually increased over the last few decades. Global apparent consumption of ilmenite declined slightly from 1970 to 1995, in part due to introduction of stringent regulatory measures and government environmental policies in Europe and North America, as the main consumers of HMs at …

Introduction. With an estimated TiO 2 concentration of about 0.7 wt.% (Rudnick and Fountain, 1995), titanium is the ninth most abundant element of the Earth's continental crust. The most important titanium minerals are rutile (TiO 2), ilmenite (FeTiO 3) and titanite (CaTiSiO 5) (Fig. 1, Fig. 2).Rutile is an accessory mineral in a variety of …

In order to evaluate the effect of trace and minor elements (e.g., P, Y, and the REEs) on the high-temperature solubility of Ti in zircon (zrc), we conducted 31 experiments on a series of synthetic and natural granitic compositions [enriched in TiO2 and ZrO2; Al/(Na + K) molar ~1.2] at a pressure of 10 kbar and temperatures of ~1,400 to 1,200 °C. …

About Zircon. Zircon, also referred to as zirconium silicate (ZrSiO 4), is a co-product from the harvesting and processing of ancient heavy mineral sand deposits.Found mainly in Australia and South Africa, zircon can be used either in its coarse sand form or milled to a fine powder. Its properties ensure that it is used in many everyday products, including …

The detrital rutile- and zircon-bearing sample DR11-116 (S 22°13,639′, E 132°46,009′) was collected from a homogeneous, fine-grained, cross-bedded, white-bluish quartzite (Fig. 4 c and d). In thin section, the quartzite shows well-preserved sedimentary bedding (Fig. 5 c and d). The quartz grains are rounded to sub-angular and show ...

For rutile from the same sample 11YM29, the Zr-in-rutile thermometer gave a temperature (685 ± 6 to 696 ± 6 °C, with weighted mean of 691 ± 2 °C, Fig. 5 c) consistent with that of the zircon cores, which may indicate that the rutile preserves the Zr concentration of the first eclogite-facies metamorphic event (i.e., during oceanic ...

Rutile is one of the most common HM besides zircon along the coast on both sides of the South Atlantic Ocean (Table 3) (Acevedo et al., 2007; Philander and Rozendaal, 2015). ...

Mudd and Jowitt (2016) estimate Australia's 2015 inferred, indicated and measured resources to be 435.2 Mt of ilmenite concentrate, 60.7 Mt of rutile concentrate and 111.4 Mt of zircon concentrate (Measured and indicated resources are inclusive of reserves in Australia unless otherwise stated (JORC, 2012), and it is reasonably …

Thereafter, Abeidu (1972) studied the separation of monazite from zircon using experiments in a Hallimond tube with an oleic acid collector and Na 2 S as a monazite activator. Pavez and Peres (1993) more specifically studied the monazite-zircon-rutile flotation system. Sodium oleate and hydroxamate collectors were used, with metasilicate …

The present study demonstrated that zircon and rutile have similar elemental fractionation behavior in large ablation crator (>44 µm) with high …

The results from Ti diffusion experiments on zircon are presented in Table 1 and plotted in Fig. 3.For the diffusion experiments run at 1 atm, the Arrhenius parameters derived from a fit to the data are: activation energy 754 ± 56 kJ mol − 1 and pre-exponential factor 3.33 × 10 2 m 2 s − 1 (log D o = 2.52 ± 1.72). Diffusivities for the experiments at …

In this study, detrital zircon and rutile U-Pb dating data show a wide range of dates. The zircon are primarily cluster between ∼ 1800 and ∼ 2100 Ma and ∼ 650 to ∼ 850 Ma, respectively. While parts of the analyzed rutiles show more obvious and complex variations of U-Pb ages between ∼ 2.8 and ∼ 2.5 Ga, ∼1.4 to ∼ 1.8 Ga, and ∼ ...

determined. Apatite, ilmenite, quartz, rutile, and zircon are minerals that frequently occur with monazite among other minerals. Hence they were chosen as gangue minerals in this study. The Iso-Electric Point (IEP) of monazite, apatite, ilmenite, quartz, rutile, and zircon are 5.3, 8.7, 3.8, 3.4, 6.3, and 5.1 respectively.

Comparison of detrital rutile and zircon provenance reveal drainage divides in early Paleozoic northern Gondwana. Abstract Early Paleozoic sandstones deposited along the northern margin of Gondwana are commonly interpreted to represent a vast, well-mixed, and far-travelled blanket of sand sourced from Neoproterozoic orogenic belts in …

The current status of the heavy mineral industry and its perspectives are poorly examined in Sri Lanka. Therefore, this paper presents and assesses the heavy mineral industry of Sri Lanka related to ilmenite, rutile, and zircon using real-time data, obtained from Lanka Mineral Sands Limited (LMSL), during the last decade.

mometer assumes equilibrium among zircon, rutile, and a silica polymorph [or independent estimates of the silica a SiO 2 ðÞand titania a TiO 2 ðÞactivities during zircon growth]. Ti-in-zircon thermometry has been an important part of the discussion regarding the origin and significance of the Hadean Jack Hills zircons, and the relatively ...

Within the same domain, U-Pb dates were significantly younger than coexisting U-Pb dates of zircon, i.e., 2330–2430 (rutile) vs. 2598–2695 Ma (zircon) in the Pikwitonei domain and 1005 (rutile) vs. 1155–1420 (zircon) and 1161 Ma (monazite) in the Adirondack domain . Rutile dates were also younger than U-Pb dates for monazite and …