TABLE-1

Exploration done by Directorate of Geology and Mining, :

1.Coal Deposits:

S L. NAME OF RESERVE DISTRICT LOCATION ACCESSIBILITY OCCURRENCE CHEMICAL COMPOSITION / QUALITY N THE DEPOSIT (million tons) O. 1. COAL Namdang Colliery Can be approached by both rail 29 Km long and 4.6 Km wide area. Good quality with low ash and moisture. Total Reserve: 316 FIELD (271600N and roadways. Railway line is High sulphur Million tones. 955100 linked with the Tinsukia junction. Coal bearing rocks belongs to the E) Tikak Parbat and Bargolai Formation. Moisture : 2 - 9% Proved Reserve: Borgolai Colliery Sulphur: 1 - 4% 305 Million Tones.. (271600N Fixed carbon: 42 - to 60% 955100 Volatile Matter: 38 – 51% E) Calorific Value: 5035 – 7950 Kcal. / Kg. Ledo Colliery (271800N 955100 E) Tipong Colliery (271600N 955100 E) 2. DILLI Partly in Latitude: 275000 The coalfield is connected by a 12 Area of 40 km. long and 0.50 km. Good with low ash but high moisture and Total Reserve is JEYPORE to 27830 Km road with Namrup railway Wide. high sulphur around 54 Million

COALFIELD district N station. The coalfield can also be Four distinct geological horizons Upper coal bearing horizon: tones. (Joypore approached from Sivsagar via belonging to Tikak Parbat Formation Moisture : 3.7-6.7%; Ash: 5.4-24.9% Colliery) Longitude: 951510 and from Dibrugarh via exist in this area where thicker seams Sulphur: 3.2-7.4%; Proved Reserve is and partly to Naharkatia and Duliajan. of coal occur towards the bottom. Fixed carbon: 32.6 – 46.5% 32 Million Tones.. in Sivsagar 951500 Volatile Matter: 32.5 – 45.5%; district (Dilli E About ten coal seams of various Calorific Value: 5035 – 6020 Kcal. / Kg Colliery) thickness ranging from 0.50m to 21m Lower coal bearing horizon : separated are located in the lower most horizon. Moisture : 4.2-6.4%; Ash: 2.1-28.7% by the Dilli Sulphur: 1.7-5.1%; (Disang Fixed carbon: 32.9 – 54.9% river.) Volatile Matter: 33.7 – 46.9%; Calorific Value: 5035 – 6020 Kcal. / Kg

3. SARAIPUNG Tinsukia 5 Km SW of Bhadoi Panch Ali of Good workable coal. Probable reserve Latitude: 271500 Coal occurs intermittently along the TARAJAN linked with moisture 6.5% Ash.4.7% estimated to be 0.5 to strike length of 7 Km. COAL 272000 Duliajan- road. Fixed carbon: 44.8% Million Tones.. DEPOSITS N

Longitude: 952500 to 953000 E 4. SHEELVETA Karbi Latitude: 255825 40 Km northwest of and 110 Two coal seams separated by Good quality Proved Reserve :0. Anglong to Km southeast of on NH-36 carbonaceous shale. Moisture 10.8 to 16.3%. 53 million tones 260030 Average thickness of coal seam : Fixed carbon: 22.0 to 28.4% N 2.35m ash content: 7 to 24.4% Area: 0.2 sq. Km.. Longitude: 931730 to 931835 E S L. NAME OF RESERVE DISTRICT LOCATION ACCESSIBILITY OCCURRENCE CHEMICAL COMPOSITION / QUALITY N THE DEPOSIT (million tons) O. 5. KOILAJAN Karbi Latitude: 255838 N 8 Km NW of Dilai on Manja- 1.8 m thick coal seam occurs within Assay result: Total possible reserve Anglong Longitude: 933330 E Sarihajan road. the Basal Sandstone Formation at Moisture8.82%to Ash : 8.24% is estimated at 0.50 Koliajan Nala covering an area of Fixed Carbon : 32.16% million tones. about 0.4 sq.km. Sulphur : 2% Volatile matter : 50.76% Calorific Value : 7940-8570 Kcal/kg

The coal may be used in domestic purpose as coke and also in brick, tea and cement industries. 6. GARAMPANI Dima- Latitude: 253030 N Near Timang Basti and can be The coal occurs in association with Assay result is as follows: Total possible reserve Hasao Longitude: 935702 E approached from Umrongsho Barail Sandstone Formation of Jaintia Moisture: 5.9% (within the 2.5 sq.km. through a metalled road. Group of rocks covering an area of 2.5 Ash: 18.3% area) is estimated at sq.Km. Three coal seams associated Fixed carbon: 39.6% 1.00 million tones. with Basal Sandstone are exposed Volatile matter : 36.5 – 47.5% intermittently along both the banks of Sulphur : 0.0 - 5.2% Kopili River. Calorific Value : 5790 - 7380 Kcal/kg The thickness of coal seams varies from 0.30 m to 1.5 m. 7. KHOTA ARDA Dima- Latitude: 254100 N The deposit can be approached by Two nos. of coal seams separated by Assay result is as follows: The reserve of coal is COAL DEPOSIT Hasao Longitude: 925500 E Dayanamukh – Dihangi road and a thin band of carbonaceous shale Moisture: 10.6 -12.7% 0.167 million tones situated at 35 km. south of Lanka are exposed within Kopili Formation Ash: 3.8 – 24.8% railway station and 93 km. away at Phanglangsho nala over an area of Fixed carbon: 30.9 – 34.5% from the district HQ Haflong. about 1.5 sq. Km. The thickness of Volatile matter : 34.8 – 44.7% coal seams varies from 0.50 to 1.00 m. The deposit is economically viable for open cast mining.

8. DITHOR COAL Dima- Latitude: 252640 N The deposit is located near A small band of upper Eocene coal The proximate analysis of the coal on air Indicated reserve of DEPOSIT Hasao Longitude: 922730 E Umrangsho and can be occurs within Kopili Formation of dried basis shows as follows: 0.52 million tones. approached by 6 km. long forest Jaintia Group of rocks.The thickness Moisture: 6.9 – 8.3 % road from Lanka – Garampani of coal seams varies from 0.20 m to Ash: 15.0 – 70.6 % Road. 0.85 m. Fixed carbon: 24.6 – 41.8 % Volatile matter : 32.9 – 40.7%

2.Limestone Deposits:

SL. NAME OF THE CHEMICAL COMPOSITION / RESERVE DISTRICT LOCATION ACCESSIBILITY OCCURRENCE NO. DEPOSIT QUALITY (million tons) 1. DILLAI PARBAT Karbi Latitude: 254954 to Connected by metalled road Dillai Parbat Deposit is divided into Cement grade Proved reserve: DEPOSIT Anglong 260100 N about 19 Km from Bokajan two blocks, viz., East block and Weighted average composition: 32.41 million railway station. North block. CaO: 49.72% tones Longitude: 933440 to MgO: 1.04%. 933550E 2. SHEELVETA Karbi Latitude: 260000 to On NH 36. Small bands of cement grade Cement grade Probable reserve: DEPOSIT Anglong 260036 N 122 Km from Nagaon and 37 Km limestone occur. Weighted average composition is 2 million tones. Longitude: 931735 to from Diphu railway station. CaO: 45.0% 932025E MgO: 2.0 – 2.01%. 3. KOILAJAN Karbi Latitude: 255948 N 25 Km from Dimapur railway Small to medium bands of limestone Cement grade Proved reserve: DEPOSIT Anglong station. occur. Weighted average composition is 30 million tones Longitude: 933340 E CaO: 45.30% - 47.44%, Fe2O3:0.98-2.78%, Al2O3: 0.90- 3.75%, MgO: 0.81 –1.59%. 4. NEW Dima-Hasao Latitude: 253100 to Near 18 Km post of Two bands of limestone 30m and Cement grade Proved reserve: UMRONGSHO 253300 N Garampani -Lanka road. 50m thickness intervened by shale Weighted average composition is 360 million tones DEPOSIT band. CaO: 47.00% - 50.43%, Longitude: 925600 to 924900E Fe2O3:2.92-21.74%, MgO: 0.00 – 2.85%. Al2O3: 1.53-14.0%, SiO2:1.96-11.63%,L.O.I: 16.47- 39.35%.

5. 16TH KM Dima-Hasao Latitude: 253222 to In Umrongsho. Covers a total area of 1.07 sq.Km. Weighted average composition: Proved reserve: BLOCK 253430 N 6 Km from Umrongsho and 12 where the total thickness of CaO: 46.84% , SiO2: 1.96-11.63%, 44 million tones Longitude: 924620 to Km from Lanka limestone is 80 m. MgO: 2.1%, Fe2O3: 2.92-21.74% 924625 E 6. JUIPAHAR Dima-Hasao Latitude: 253220 to Near Umrongsho-Lanka road in Occupies an area of about 6.5 sq. Weighted average composition: Proved reserve: DEPOSIT 253440 N between 22 Km post and 23 km Km. CaO: 45 % 184.00 million Longitude: 924610 to post. MgO: 1.68 %. tones 924810 E

3.Granite Deposits:

SL . NAME OF THE RESERVE DISTRICT LOCATION ACCESSIBILITY CHEMICAL COMPOSITION / QUALITY NO DEPOSIT (million tons) . 1. MAHAMAYA Karbi Anglong Latitude: 261295 N Situated near Dokmoka beside NH Pink Granite. Proved reserve: 30 million cubic Longitude: 930400 E 36 and 92 Km away from Diphu. Massive, hard and fractured in nature. meter. 2. CENTRE BAZAR Karbi Anglong Latitude: 261715 N Located beside NH 36 60 Km. Pink Granite. Estimated reserve: 13 million Longitude: 930930 away from Diphu. Massive, hard and fractured in nature. Cubic meter. to 931004 E

3. BELLUGHAT Karbi Anglong Latitude: 263500 to 14 km. away from Dokomoka along Light colourd, coarse to medium grained, Estimated reserve: 2 million 263510 N NH 36. massive and gray granite. Cubic meter. Longitude: 934500 to 931001 E

4. SILONIJAN Karbi Anglong Latitude: 261925 to The area is connected by an all Massive, dark pink, coarse and fractured with Detail estimate is yet to be done. 262020 N weather road stretching west of hypidiomorphic texture and located is an Longitude: 934400 proper Silonijan along NH 39. isolated pocket. to 934500 E

5. BORJURI Karbi Anglong Latitude: 260330 N The area is connected by a fair Black in colour, hard, massive, fine grained Detail estimate is yet to be done. weather road of 3 km stretching and well fractured. Longitude: 930325 E from Kathiatoli – Salna road and situated at a distance of 20 km from Nagaon and about 180 km from the district H.Q. Diphu. 6. DUDHKURI HILL Kamrup Latitude: 260010 N Nearby Boko and about 55 km west Light Pink. Detail estimate is yet to be done. of along NH 37. Hard and massive in nature. Longitude: 911615 E

7. AGCHIA HILL Kamrup Latitude: 260080 N Situated at a distance of 50 km Pink Granite. Detail estimate is yet to be done. Longitude: 911700 E west of Guwahati along NH 37. Hard and massive in nature

8. DAMAL- Latitude: 260024 8 km south of Agia. Greenish black. Detail estimate is yet to be done. SAPLENGKATA to 260212 N Hard and massive in nature. Longitude: 902940 to 903113 E 9. KAKIRA Goalpara Latitude: 260300 3 km away from Balbola an about Greenish black Probable Reserve: 300 million to 260414 N 17 km from Goalpara town. Hard, massive granite. cubic meter. Longitude: 903435 to 903458 E SL RESERVE . NAME OF THE (million tons) DISTRICT LOCATION ACCESSIBILITY CHEMICAL COMPOSITION / QUALITY NO DEPOSIT . 10. KHUTAMARI Goalpara Latitude: 263127 14 km SW of Goalpara and 6 km Black Granite. Probable Reserve: 0.70 Million to 263140 N away from Pancharatna Hard, massive granite. cubic meter. Longitude: 903050 to 903100 E 11 PAGLATEK Goalpara Latitude: 261048 16 Km southwest of Goalpara and Black Granite. Estimated Reserve: 0.80 million to 261120 N 8 km Away from Pancharatna Hard, massive granite. cubic meter. Longitude: 903125 to 903136 E  Detail work is yet to be done.

4. CHINA CLAY DEPOSITS:

SL. NAME OF RESERVE NO. THE DISTRICT LOCATION ACCESSIBILITY OCCURRENCE CHEMICAL COMPOSITION / QUALITY (million DEPOSIT tons) 1. UPPER Karbi Anglong Latitude: 261427 7.5 Km west of Safapani, Two good deposits at 500 Good quality. Proved DEOPANI to 261439 N Safapani is 24 Km from m apart. White Grey. reserve: 0.74 Longitude: 934554 Bokajan railway station. Both slacking & non- Soft. million tones. to 934659 E slacking varieties present. Block – I : 38.8% clay. Block-I: area = 0.4 sq. Km. Block – II : 84% clay Block-II: area = 0.043 sq. The clay of block – I is suitable for Km. white – wares only after blending with plastic clay whereas the clay of Block – II is suitable for ceramic ware manufacturing. 2. SHEELVETA Karbi Anglong Latitude: 260800 N Well connected by metal road Covers 0.25 Sq.Km. Color is white to dull white. Total reserve: Longitude: 931800 E to NH 36. Clay content: 27%. 0.06 million tones. 3. SILONIJAN Karbi Anglong Latitude: 261745 8 Km from NH-39 near Covers an area of 5 sq. Color is white to dull white. Probable to 262215 N Silonijan. Km. Slacking in nature. reserve: 0.2 Longitude: 934618 Thickness ranges from 3– Can be used in ceramic ware after million to 935206 E 6 m. washing. tones.tonnes.

5.Iron ore Deposits:

SL. RESERVE NAME OF THE CHEMICAL COMPOSITION / NO. DISTRICT LOCATION ACCESSIBILITY OCCURRENCE (million DEPOSIT QUALITY tons) 1. CHANDARDINGA Latitude: 26020/25// N Located on the north bank of river Three bands are found Made up of variable Total Longitude: 93003/55// E Brahmaputra and is about 2 km with thicknesses of 49.85 proportions of hematite and reserve away from Salkocha Inspection m, 16m, and 53 m. magnetite. 10.0 Bunglow on NH 31. The average composition is – Million Fe2O=42%, P2O5= 0.35%, tons. SiO2 = 4.28% Al2O3 = 0.60%, CaO = 0.08%, MgO = 0.48%S = 0.10% 2. LEN GUPARA Goalpara Latitude: 26003/55// N 15 km awa7 from agia along NH - Occurs mainly on the The average composition is – Inferred Longitude: 93028/50// E 37 hilltop forming a Fe2O=48.39-68.47%, FeO = reserve prominent ridge in the 4.28-4.31% Al2O3 = 0.16 – 7.25 area. 4.01%, SiO2 = 23.52 – Million Two bands are found with 37.50%, TiO2 = trace to tons. a thickness of 10 m and 1.68%, 20 m respectively. CaO = trace to 0.46%, MgO = trace to 0.41% P2O5= trace to 6.20%, 3. KUMRI Goalpara Latitude: 26025/00// N 6 km west of Pancharatna. Exposed legally at The average composition is – Inferred Longitude: 93032/44// E western side of the hill. Fe2O=22.79-47.32%, FeO = reserve Two bands are found with 11.71-26.79% Al2O3 = 0.56 1.64 a thickness ranging from – 5.02%, SiO2 = 29.00 – Million 10 m to 16 m. 37.92%, TiO2 = trace to tons. 0.04%, MgO = trace to 0.29% - 3.33%, P2O5= 0.66 – 3.66%,

6. Glass sand Deposits:

SL. NO. RESERVE NAME OF THE CHEMICAL COMPOSITION / DISTRICT LOCATION ACCESSIBILITY OCCURRENCE (million DEPOSIT QUALITY tons) 1. JIAJURI Nagaon Latitude: 26018/00// to 3 km southeast of Chapanala, Covers an area of 2.9 More or less friable felspathic Total 26019/00//N 12 km from Samuguri railway Sq.km. However , detailed in nature and occasionally reserve of Longitude: 93052/55// to station and 25 km from investigation of the deposit variegated in colour due to glass sand 92054/15// Nagaon town via NH – 37. covered an area of 0.552 the presence of ferruginous 80.0 Million E sq. km. matters. tons. The average composition is – SiO2 = 91.21 - 98.93% Al2O3 = 0.63 – 5.08%, Fe2O3 =0.08 – 0.54 %. TiO2 = trace to 0.21%,

7.Fuller’s earth Deposits: (An aluminum poor montmorillonite clay)

SL. RESERVE NAME OF THE NO. DISTRICT LOCATION ACCESSIBILITY OCCURRENCE (million DEPOSIT tons) 1. SUBANKHATA Baksa Latitude: 26047/48// to Subankhata is connected with Scattered deposits occur Total inferred AND 26050/00//N by 50km long road via along the bank of reserve is BHUTANKHUTI Longitude: 91025/00// to Dhamdhama. Bhutankhuti is Pagladiya River . 13 million 91027/46// E just 5 km west of Subankhata. The shale bands are tons. interbeded with sandstones and thickness ranges from 13 to 40 m.

8. Silliminate Deposits:

SL. NO. RESERVE NAME OF THE CHEMICAL COMPOSITION / DISTRICT LOCATION ACCESSIBILITY OCCURRENCE (million DEPOSIT QUALITY tons) 1. CHIPILANGSHO Karbi Anglong Latitude: 26012/00// to 9 Km away from Occurs either in association Good quality quartz – Proved reserve 26013/00//N Phuloni on NH 36 with gneissic group of rocks silliminate sc hist having 0.8 million Longitude: 93012/00// to or with the Quartz – mica about 70% recoverable tons 93013/00// E schists of Sillong group of sillimanite content. rocks. The Al2O3 content in the massive sillimanite ranges from 53.00% to 58.90%, while in quart – sillimanite schist it range from 30.00% to 40.00% (approx .).. The assay results after benification of quartz – sillimanite schist are : The average composition is – Al2O3 =55.16%, Fe2O3 =1.38 % MgO = 0.30%, NaO2 = 0.15% SiO2 = 38.18% CaO = 0.85% TiO2= 1.05% K2O = 0.28% L.O.I.= 2.61%