Hazards of marble mining

Though the marble industry provides employment to thousands of people and contributes substantially to the economy of the state, no attempts have been made to evaluate and table the social and environmental costs of marble mining, reports VIJAY MATHUR

When we think of Taj Mahal, we think of love and also Makrana marble- the white marble with which eternal structure of love has been created. In fact, Makrana marble is used for sculptures and as a décor for buildings. Little doubt it has been used for iconic monuments like the Taj Mahal in Agra, Victoria Memorial in Kolkata and Rashtrapati Bhawan in Delhi. Now the Makrana Marble is listed as a Global Heritage Stone by International Union of Geological Sciences.

However, though the marble industry provides employment to thousands of people, and contributes substantially to the economy of the state, no attempts have been made to evaluate and table the social and environmental costs of marble mining. The death of the Gomati is just one example of how mammoth the ecological cost can be. It has come about through careless and unplanned marble mining in the river’s catchment and the blocking of rivulets through the dumping of marble overburden and slurry. The river has been reduced to a narrow, seasonal stream that comes alive only during the monsoon.

Taking note of the situation, and prompted by a PIL by a local NGO and other environmental organizations, the Supreme Court ordered a complete ban on marble mining in 2002, over the whole of Rajasthan. The ban did not last long; lobbying and affidavits by the state government, lobbying by the media for development activity, fear of unemployment, and changes in policy and permission regimes all ensured that it was lifted a mere two months later.

Last year, the Rajasthan High Court ordered the closure of 474 marble mines in Makrana that were found to be flouting the rules with impunity. No action has been taken on mines in the southern part of Rajasthan whose owners are in a hurry to extract as much as they can before the court wakes up or the department realizes that the time to take appropriate action has come.

Desertification

Bhomik Shah who worked with WWF-India as senior programme coordinator and Aakash Mehrotra, a researcher in a paper titled “Mountains of Marble Waste” observed that there increasing threat of desertification. The situation is so bad that in many parts there is no pastureland for cattle to graze and no productive farmland to plough. The tribals of Obri village in Udaipur district, for example, now have no common pastures left for their cattle or farmland to grow food. The entire area is an intense marble mining zone. Fifty-five-year-old Hukma Bhai from Obri says: “Tees saal pahle hamne mines ka swagat kiya lekin ab hum apne jungle or zamin sab kho chuke he. Jo kuchh bacha he wo kisi kam ka nahi he.” (“Thirty years ago we welcomed the mines but now we have lost our forests and our land. Whatever is left is useless.”

Water table

The limestone mines of Chittor have breached the region’s water table. The mines have been operational since 1987, and the unit has excavated pits as much as 40 metres deep. In New Surjana village, located near the mines, there is acute water scarcity and recession in the groundwater table. Residents claim that water could earlier be found at 25 feet, but now the water table has fallen to as low as 400-500 feet.

Unregulated legal mining and rampant illegal mining in Rajasthan has systematically destroyed forests, devastated the Aravallis, and played havoc with the water resources of the state, says Centre for Science and Environment’s Sixth State of India’s Environment report, “Rich Lands, Poor People” — Is sustainable mining possible? With the industry pouncing on mining leases in schedule V areas – banned for the last nine years and opened by the previous Vasundhara Raje Scindia government in 2008 — it could be only a matter of time before the damage to ecology and environment becomes irreparable.

Rajasthan has the highest number of mine leases in the country — 1,324 leases for major minerals, 10,851 for minor minerals and 19,251 quarry licenses for mining stones. The state earned about  590 crore royalty from major minerals like lead, zinc and limestone in 2004-2005. But the sector contributes only three per cent to the state’s revenue. Rajasthan holds reserves for 44 major and 22 minor minerals and is the only producer of garnet, jasper, selenite, wollastonite and zinc concentrates. It is also the leading producer of calcite, lead concentrate, ball clay, fireclay, ochre, phosphorite, silver and steatite. But it is best known for its production of marble, sandstone, marble and other stones. It produces 10 per cent of the world’s and 70 per cent of India’s output of sandstone. Ajmer, Bhilwara, Bikaner, Dungarpur, Jaipur, Pali, Rajsamand, and Udaipur are its main mining districts.

Rising deaths

Rajasthan has thousands of unorganized mines, which can be as small as one-twentieth of a hectare. They fall out of the purview of government control and there are no accounts of these mines. Illegal mines have no mechanism in place to implement environmental protection measures. For instance, sandstone quarries may be as small as 200 x 100 feet and because these mines operate beyond the law, workers’ rights are not recognized. Basic facilities such as toilets and water do not exist, nor do safety procedures or compensation for accidents. In Makrana mines, there is an average of one death a day from work-related illnesses like silicosis and tuberculosis.

It is the large variety of marbles that make if attractive for some unscrupulous segments to exploit. Rajnagar, is considered to be the largest marble-producing region in the world. Located near Udaipur, Rajnagar is home to over 2,000 marble units. Although the original colour of marble is white, but to make these commercially viable, a chemical process is adopted. Marble rocks in this region are passed through a technical process of color change. Indo-Italian is a unique variety prepared by a similar process. Its color is pistil. It is here the problem arises. This process pollutes the environment. Therefore, by the order of the Supreme Court, many units adjacent to the Sariska Tiger Sanctuary have been closed.

A distinct marble is prepared by giving it a slightly darker and pinker color. It is known as Onyx marble, which is a different and exotic stone, which gives a beautiful and breathtaking impression. It gives royal and stunning appearance when it is used in flooring and other interior designing projects. There are so many excellent uses of onyx marble. Onyx is available in beautiful different color. Onyx marble is known for its rich palette of beautiful colors and appearance. It became a popular choice due to its beauty and elegance. It is easy to use also it is a versatile material that is used to make wall claddings, tabletops, wainscot, and vanity tops. It is similar to Pakistan Onyx marble gemstone.

Makrana is the source of the marble used in the Taj Mahal. It is situated at a distance of 60 km from Kishangarh and falls in the Nagaur district of Rajasthan. The region has various mining ranges, mainly Doongri, Devi, Ulodi, Saabwali, Gulabi, Kumari, Neharkhan, Matabhar, Matabhar kumari, Chuck doongri, Chosira and Pahar Kua amongst others. World’s largest marble-producing area, with over 2,000 gang saw units located in the nearby town of Udaipur to process the material produced. Agaria is the best variety of this area, with numerous other varieties and patterns, primarily in white base. The marble is dolomite and often has quartz intrusions.

Located near the capital city of the state of Jaipur (also known as the ‘Pink City’), it is dolomite marble with intrusions of tremolite, and is commonly known by the name of pista (pistachio) marble, because of the green colored tremolite against an off-white background. One of the famous varieties of this area was known as Indo-Italian, owing to its resemblance with Satvario Marble. The Supreme Court of India because of the vicinity of the area to the Sariska Tiger Reserve now bans most of the mining of this famous field. Also known as Onyx Marble, it has thick bands of green and pink hint. A resemblance to Onyx Marble from Pakistan gives it this name. This is also highly dolomite. It is considered to be a thick layer stone with a green and pink aura.

Though it has not been metamorphosed and hence is still a limestone, it is known as Yellow Marble in trade circles. It is mined in the Jaisalmer District. The yellow marble is called Jaisalmeri marble in commercial areas. Marble found in Abu is basically used in decoration. This stone is mostly used in sculpting temples and sculpture. The stone, known as Green Marble, is found in the mines of Kesariyaji region near Udaipur. However, Kishangarh in Marwar is famous as Marble Mandi. The there is yellow marble. These are ultra basic rocks in shades of brown and green color. The crisscross linear pattern given it a remarkable resemblance to a photograph of dense forest. These are also known as forest green/brown or fancy green/brown. There is Kishangarh Marble. Sand stone marble is equally indispensable in the marble industry. Sand stones available in different sizes and types are mostly transparent. In addition to a mixture of metal particles, it also occurs in the form of fractures or fragments. Sand stone is also available in brown, green, pink, white and black and white colors.

Sand stones of certain colors are available only in certain areas. However, they are also made from a mixture of water or other chemicals. They have immense ability to absorb water. They are most commonly used for filling or bridging cracks. Sand stones are basically deep shining. They also have the form of chalk and coal. Its maximum use is in framework during construction. Sand stone is the backbone for the handicrafts industry.

Sand stone quarries

Although there are sand stone mines in Bihar, Gujarat and Assam and Andhra Pradesh, 90 percent of sand stone is extracted from the mines of Bundi, Chittor, Kota, Dholpur, Jodhpur and Sawai Madhopur in Rajasthan.  Sand stones also exported. Architects say that sand stone of various colours found in these areas are considered superior in terms of interiors and exteriors. Talking about its selection of attractive colors, Agra Red, Jodhpur Red, Lalitpur Pink, Rainbow Sandstone and Raj Green are considered more favorites.  Architects say that Jodhpur Pink is considered to be the best in terms of exterior decoration. Sand is also found in Rajasthan with about 200 attractive colored hues. Granite is at number five among the products exported from India to overseas.

Growing market

The way dealers have developed new methods and crafts of the use of marble; its market has also increased proportionally. Surprisingly, despite this, the price is still stable. The demand for it has increased at a rapid pace, and its use in cutting-edge architectural crafts has also increased at the same speed.

As a result, Rajasthan is setting new heights as the marble-producing region. According to commercial estimates, Rajasthan’s contribution in the country’s marble market is approximately 90 percent. There is a possibility of producing 1 million tonnes in Rajasthan this year. According to a business study, now even the middle class has jumped into the market as a buyer. Probably the major reason for this is the growing shortage of cement and skyrocketing prices.

Gauri Shankar Dhoot, owner of a marble storage unit says that a mixture of marble pieces and white cement is being used in roofing these days. These are called mosaic tiles. The best part is that this mixture is cheaper even than cement. The Sangha units are also trying to make their small blocks.

According to sources in Rajasthan Industrial Development and Investment Corporation, in the last few years, there has been an awakening towards moving towards state of the art. As a result Marble is exploring a new market. Units are now moving rapidly towards making mosaic tiles. However, the most important technological achievement in this direction would be to make a stone plaque rather than a block.

Deepak Bansal, a marble businessman from Makrana says old steel cutters took longer and had a fixed limit. But new and state-of-the-art machines have made this work easier and better. He says that the strength and extent of the machines for carving is not so successful in carving stones. Bansal says that the good thing is that it is indigenous and its price is not more than 10 lakhs.

Problems of traders

However this method also has some disadvantages. It is a very tedious job in a way. The traditional method of mining is the biggest deterrent. Many times it happens that mines freeze and it is not possible to bring them back into position. Most work in mining involves manpower. However, petrol powered cranes are also used up to some point.