Introduction. II.

The concept of Karewa as a geological unit. III.

Lithostratigraphy of Karewa Group: 1. Nature of the basement.

2. Proposal for lithostratigraphic sub-division.

3. Broad lithology.

4. Age.

Hirpur Formation: 1. Extent and disposition.

2. Type section.

3. Contact relations.

4. Sub-divisions.

5. Reference sections.

6. Thickness.

7. Age.

Nagum Formation: 1. Extent and disposition.

2. Type section.

3. Contact relations.

4. Sub-divisions.

5. Sedimentation framework of Nagum formation.

6. Thickness.

7. Age.

Dilpur Formation: 1. Extent and disposition.

2. Type section.

3. Contact relations.

4. Thickness.

5. Age.

6. The stratigraphic correlation of Karewa with the sequence of the Margs of Pir Panjal Range.

IV. Critical Review and Appraisal of Fossil Record of Karewa Group: Hirpur Formation: 1.

Vertebrate fossils. 2.

Invertebrate fossils. 3.

Microfauna. 4.

Plant fossils. Nagum Formation: 1.

Vertebrate fossils. 2.

Invertebrate fossils. 3.

Microfauna. 4.

Microflora. 5.

General remarks of the fossil record of Karewa (less)

R. Rao and K.

S. Rao.

2. Textural attributes in carbonate sands of beach and lagoonal environments, Agatti Atoll, Lakshadweep/M.

G. Hardas, R.

K. Rastogi and J.

K. Gupta.

3. Seabed sediment distribution within the EEZ off West Coast of India - an appraisal/R.

Sengupta, S.K.

Ghosh, J. Bhattacharjee, P.

C. Basu and S.

Dutta. 4.

Grain size characteristics and distribution pattern of marine sediments off Karwar Coast, Karnataka State/E.V.

Nair. 5.

Morphology and sediment characteristics of northern part of trans - Lakshadweep ridge/V.K.

K. Kalluraya, T.

K. Charlu, K.

S. Adiga, E.

V. Nair, N.

S. Lakshimipathi and K.

V. Ramachandran.

6. Non-skeletal carbonate sands in parts of western continental shelf of India and their environmental significance/G.

P. Mohapatra, T.

S. Rao and N.

R. Biswas.

Marine micropalaeontology: 7. Planktonic foraminiferal biostratigraphy and faunal provinces of late Pleistocene sediments from DSDP sites 214, 237 and 238 Northern Indian Ocean/B.

C. Jaiprakash, A.

K. Guha and C.

N (less)

Uses of potash. 2.

History of potash mining. 3.

Sources of potash: i. Evaporite deposits.

ii. Sea, lake and sub-surface brine resources.

iii. Insoluble potash mineral and by-product potash.

iv. Potash from fly ash.

v. Potash from molasses residue.

vi. Potash in India.

II. World Resources and Mining of Potash: 1.

Marine Saline Lake evaporite deposits. 2.

Mining and processing of potash. III.

Potassiferous Evaporite Deposits in India: 1. Configuration of the basin.

2. Geology.

3. Potash mineralisation.

4. Reserves and grade.

IV. Lacustrine Seawater, Brines/Bittern and Other Resources of Potash in India: 1.

Sea water brines and bitterns in India. 2.

Efflorescent salt deposits (a potash source). 3.

Recovery of potash as an industrial by - product. V.

Glauconite - A Potential Source of Potash Fertilizer: 1. Properties of glauconite.

2. Origin of glauconite.

3. Commercial uses of glauconite.

4. Glauconite occurrences in the world.

5. Glauconite occurrences in India (less)

Precambrian geology of India—a synoptic view/B.K.

Chakrabarti. 2.

Precambrian lithospheric evolution and chemical and thermal regimes of the mantle/T.M.

Mahadevan. 3.

Tectonic classification of Indian Peninsular Shield: review of fifty years of progress and proposal for a new scheme/A.N.

Sarkar. II.

Northeastern India and the Himalaya: 4. Precambrian metamorphism, magmatism and tectonic events in the Himalayan region/Arabinda Ghose.

5. The Precambrian sequences in the Western Himalaya/O.

N. Bhargava.

6. Culmination zones in Eastern Himalaya/Sumit Kumar Ray.

7. Precambrians of Meghalaya: a concept/B.

P. Bhattacharyya and T.

K. Ray Barman.

III. South India: 8.

Alkaline complexes southern and eastern India—an overview/Sujit Kumar Majumder, T. Kameswara Rao and N.

P. Nathan.

9. Comparative studies of the four ultramafic bodies of Northern Tamil Nadu/V.

Ram Mohan, A. Kalaiselvan, B.

Moses Viju Charles and S. Srinivasalu.

10. Precambrian Cambrian boundary strata in Cuddapah basin, Andhra Pradesh/M.

N. Gururaja, P.

Ashok Kumar, Venugopal Rao and R.H.

Chavhan. 11.

A review of (less)

Isotopic age of Peninsular and extra-Peninsular India: a review: 1. General.

2. Southern Granulite Terrain.

3. Karnataka/Dharwar Craton.

4. Transition zone.

5. Eastern Ghats Mobile Belt.

6. Eastern Indian Craton.

7. Central Indian Precambrian.

8. Western and Northern Indian Precambrian.

9. Purana Basins.

10. Basic Dykes.

11. Deccan traps.

12. Himalaya.

13. Lesser Himalaya.

14. Higher Himalaya.

15. Trans-Himalaya.

Discussion. Acknowledgements.

II. Isotopic age database of Peninsular and Extra-Peninsular India: 1.

Tamil Nadu. 2.

Kerala. 3.

Karnataka. 4.

Andhra Pradesh. 5.

Orissa. 6.

Bihar and West Bengal. 7.

Madhya Pradesh. 8.

Maharashtra. 9.

Western Region. 10.

Western and Northern Indian Precambrian. 11.

Lesser Himalaya. 12.

Higher Himalaya. 13.

Trans-Himalaya. References.

Locality index. Appendix: Isotope Map of India.

From the Foreword: "This special publication is the first attempt by GSI on detailed computerized geochronological database with details of analytical parameters of each age data on the entire rocks of India including both the (less)