India 2018

370 India 2018
filler and cement grades and about 70 per cent or 2,040 million tonnes resources
fall under mixed grade, others, unclassified and not-known categories.
Kyanite and Sillimanite
The total resources of kyanite as per UNFC system in the country in 2015 are
placed at 105 million tonnes. Statewise, the share of Telangana is 46 per cent of
total resources followed by Andhra Pradesh 30 per cent, Karnataka 13 per cent
and Jharkhand 7 per cent. Remaining 4 per cent resources are in Kerala,
Maharashtra, Rajasthan, Tamil Nadu and West Bengal.
The total resources of sillimanite as per UNFC system in the country in
2015 are placed at 70.2 million tonnes. The resources are located mainly in Tamil
Nadu and Odisha (25 per cent each), Uttar Pradesh (16 per cent), Andhra Pradesh
(13 per cent), Kerala (10 per cent) and Assam (7 per cent). Remaining 4 per cent
resources are in Jharkhand, Karnataka, Madhya Pradesh, Maharashtra,
Meghalaya, Rajasthan and West Bengal.
Limestone
The total resources of limestone of all categories and grades as per UNFC system
in 2015 are estimated at 203,225 million tonnes. Karnataka is the leading state
having 27 per cent of the total resources followed by Andhra Pradesh and
Rajasthan (12 per cent each), Gujarat (10 per cent), Meghalaya (9 per cent),
Telangana (8 per cent) and Chhattisgarh (5 per cent). The total resources of
chalk of all categories and grades as per UNFC system in 2015 are estimated in
Gujarat at 6.75 million tonnes of which 5.06 million tonnes (75 per cent) are
under reserves category and 1.69 million tonnes are under remaining resources
category.
Mica
Most important mica-bearing pegmatites occur in Andhra Pradesh, Bihar,
Jharkhand, Maharashtra and Rajasthan. Occurrences of mica pegmatites are
also reported from Gujarat, Haryana, Karnataka, Kerala, Odisha, Tamil Nadu
and West Bengal. As per UNFC, the total resources of mica in the country in
2015 are estimated at 635,302 tonnes . Andhra Pradesh leads with 40 per cent
share in country's total resources followed by Rajasthan (28 per cent) Odisha
(16 per cent), Maharashtra (13 per cent), Bihar (2 per cent) and balance (less
than 1 per cent) in Jharkhand and Telangana.
Magnesite
The total reserves/resources of magnesite as per UNFC system in 2015 are about
394 million tonnes. Substantial quantities of resources are established in
Uttarakhand (59 per cent), followed by Rajasthan (14 per cent) and Tamil Nadu
(25 per cent). Resources are also located in Andhra Pradesh, Himachal Pradesh,
Jammu and Kashmir, Karnataka and Kerala. Occurrences of magnesite in Tamil
Nadu are low in lime and high in silica whereas those of Uttarakhand are high
in lime and low in silica.