Tirap colliery is non-functional for the last three years, but its senior manager BB Sahu is loaded with work. At 7 am every day, he and his team would take note of the tasks at hand — fixing electrical problems, water leakage, water connection to the colonies in the hillocks where former contract workers still live, pumping out mine water ...

Material for the present study was collected from the Tirap colliery of the Makum Coalfield, Tinsukia District, Assam. The prior permission was taken from the General Manager, Northeastern Coalfield, Margherita, Assam, India for the collection of fossil plants. The specimen was first cleared with the help of a fine chisel and hammer and then ...

Tirap Colliery is one of the three operating opencast mine of NEC and has been in the existence since 1983.It is located in the Makum Coalfields of Assam. The mine is well …

Tirap colliery is non-functional for the last three years, but its senior manager BB Sahu is loaded with work. At 7 am every day, he and his team would take note of the …

According to sources, the two were arrested from Tirap Colliery in Ledo, where they worked as coal thieves. In a major breakthrough in the case of Pranjal Moran's disappearance, two people have been arrested in connection with the incident. The accused were identified as Roop Chai and Babu Paharia, who were allegedly involved in the …

Three main locations were used to gather the samples are Tirap, Tipong, and Tikak colliery. All of the coal samples from the Tirap colliery were labelled as NBTP-1, NBTP-2, NBTP-3, NBTP-4, and NBTP-5. Similarly, one coal sample named TPM (1) and one shale sample named TPCS from the Tipong colliery. From Tikak area TPC 20 was …

ABSTRACT. The paper deals with geotechnical study for optimum slope design of Tirap Colliery, Assam, India, with special reference to steep southern highwall slopes. Geotechnical mapping was done on the exposed benches of the quarry. The different geo-mechanical properties of lithological units were determined. Initially …

The coal mine water from Tirap colliery (TW-15B) has high values of Mg 2þ (450 ppm), and Br À (227.17 ppm). XRD analysis revealed the presence of minerals including quartz and hematite in the coals. Mineral analysis of coal mine overburden (OB) indicates the presence both of pyrite and marcasite which was also confirmed in XRD …

The hustle-bustle that once defined the coal town of Margherita in Assam's Tinsukia district is missing these days.

The Open cast mining experience can be enjoyed at Tirap Colliery that practices the traditional Shovel-Dumper style Open-cast Coal Mining and is a located a little while away from Margherita. Jungleideas welcomes you to India's North East to witness the History of Coal Mining at Makum Coalfields, Margherita, the State of Assam, Incredible ...

A preliminary study has been performed on high sulphur coals from Tirap colliery of Assam, India, using X-ray (RDF) technique and FT-IR spectroscopy. XRD pattern of the coal shows that it is amorphous in nature. Function of radial distribution analysis (FRDA) indicates that coal is lignite in type and there is no evidence of graphite like ...

The failure analysis was done by GALENA software. An assessment of the engineering and structural geology, strength properties and the related geotechnical …

The Total Coal Reserves in Tikak Colliery is 121.37 Million Tonne (MT) of which 23.70 MT is Mineable Reserves. The grade of Coal available in Tikak Colliery are. G1- GCV exceeding 7500 but not exceeding 7600 K Cal/kg. G2- GCV exceeding 6700 but not exceeding 7000 K Cal/kg.

Loading of 4,75,000 Tes of Coal by Pay Loaders into open railway Wagons at Railway Siding of Tirap Colliery. Issue Date: 18-01-2018. Fecilitation of the MT's joining in NEC. Issue Date: 14-12-2017. Extension of last date of deposit coal value against spot e-aution dated 30-11-2017.

Tikak Parbhat Formation, Tirap Colliery and Namdang sections . show presence of only three sequences S1,S2 and S3 which are . separated from each other by sequence boundaries SB2, SB3 and .

In Margherita, mining operations in Tikak, Tirap opencast projects (OCPs) were stopped two-three years ago, while Tipong underground mine and Ledo OCP were discontinued in 2018, the study said, adding that Baragolai colliery closed in 2010. Among various reasons, these mines were closed mainly due to environmental grounds, …

The main objective of the present research work is to evaluate the mineralogy and geochemistry of coal, shale, and MOB collected from the Tirap, Tikak, and Tipong …

A 20-year-old died in a landslide at Ledo 6 No line of Tirap Colliery at Margherita in Tinsukia district of Assam. The deceased has been identified as Subham Das. According to sources, Subham Das died while he was carrying illegally procured coal. Sources informed that he was working for a coal mafia named Prabin Tanti of Ledo Tea …

Both Ledo and Tirap coals have total sulphur contents within the range 3–3.50%. The coal mine water from Tirap colliery (TW-15B) has high values of Mg 2+ …

The main objectives of the present study are as follows: (1) to evaluate the geochemistry and mineralogy of coal-mine overburden samples collected from Ledo and Tirap colliery of Makum Coalfield area of the Northeast region by using different multi-analytical (XRD, FT-IR, FE-SEM, HR-ICPMS) and chemical techniques to understand …

At present only Tirap Colliery and Tikak Colliery are being operated and mining is being carried out only in Tikak Colliery. Recently direction have been issued regarding successful bidder of 02 coal blocks located in …

This paper presents the simultaneous measurement of atmospheric concentration of gaseous NH3, SO2 and NO2, and particulate NH4+ released from the mining activities of coal-mine area, Tirap colliery, Margherita (Assam). Gas samples were collected by impinger method and were analyzed colorimetrically. The vapor-phase …

The NEC managed to reopen only Tikak colliery, which has two opencast projects with a combined capacity of 0.40 MTPA, in March last year. As part of the procedure to obtain environmental clearance from the Union Environment Ministry for reopening Tirap colliery, the state Pollution Control Board will organise a public hearing …

Tirap colliery is non-functional for the last three years, but its senior manager BB Sahu is loaded with work. At 7 am every day, he and his team would take note of the tasks at hand — fixing electrical problems, water leakage, water connection to the colonies in the hillocks where former contract workers still live, pumping out mine water ...

From different geochemical analysis it has been found that the mine water sample from Ledo colliery has the lowest pH value of 3.30, Tirap colliery samples have the highest electrical conductivity value of 5.40 ms cm −1. Both Ledo and Tirap coals have total sulphur contents within the range 3–3.50%.

Out of the twenty samples, seven were sampled from the Tipong colliery, five samples from the Tikak colliery, five samples from the Tirap colliery, and the remaining three from the Ledo colliery. Each sample represents the corresponding lithology from which it has been collected (Fig. 2). To avoid alteration or contamination, samples …

With the suspension of mining operations in Tirap colliery since June 3, it is reported that employees of Coal India Limited have been given the option to choose their choice of location to be transferred to. This leaves the future of the labourers and those associated with the mining companies in uncertainty.

(Barooah & Baruah, 1996; Chabukdhara & Singh, 2016; Colliery et al., n.d.). As many streams cover the study area, the Tirap River and Dihing River, as well as numerous …

Abstract. The high-sulfur containing coalmine overburden (OB) dumping ground of the Tirap colliery under the northeastern coalfields in Assam, India, was reclaimed by phytoremediation techniques ...

From different geochemical analysis it has been found that the mine water sample from Ledo colliery has the lowest pH value of 3.30, Tirap colliery samples have the highest electrical conductivity value of 5.40 ms cm -1 . Both Ledo and Tirap coals have total sulphur contents within the range 3-3.50%.

The project area under reference lies between N 27°18¢ 54 ² and E 95°49¢40 ². The area is approachable from Margherita by the NH-38 and NH 153 up to Tirap gate and from thereby 3 km of forest road where the colliery road branches out for a distance of 1.4 km up to the coal loading point.

has three open cast mines at Ledo, Tikak, and Tirap colliery and one underground mine at Tipong colliery. Mines like Baragolai colliery, Jagun opencast mine, and Lekhapani mines are currently not in production. Approximately 315 million tons of coal was estimated as a total proved resource in the Makum coalfield (Rabchevsky, 1980).

The rapid mining activities in Tirap daytime from the open-cast mining area of Tirap colliery, colliery have influenced the atmosphere, and it requires Margherita, Assam. Gaseous SO2, NO2, and NH3 assessment of the quality of the environment around the samples were collected by impinge technique using mining area. Development, …

Tirap Colliery whose job it is to lift coal-filled sacks on their backs and carry them to designated places. These sacks weigh a maximum of up to around 150 kilos. They get Rs. 3 to 4 for carrying one kilo of coal. Apart from that, agriculture is the main occupation of the people living in the hills. It is