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RECORDS

OF

THE GEOLOGICAL SURVEY OF INDIA.

VOLUME XXIV.

Published by order of His Excellency the Governor General of India

in Council.

CALCUTTA:

SOLD AT THE OFFICE OF THE GEOLOGICAL SURVEY
(and By All Booksellers).
LONDON: KEGAN, PAUL, TRENCH, TROBNER & CO.

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CAlCUTTA:

GOVERNMENT OF INdIA CENTRAl PRINTING OFFICE, 8, HAsTINGs sTREET.

CONTENTS.

PART i.

Annual Report Of The Geological Survey Of India, And Ok The Geological

Museum, Calcutta, For The Year 1890 ....... 1

Notes on the Geology of the Salt Range of the Panjab, with a re-consijered theory of

the Origin and Age of the Salt Marl; by C. S. Middlrmiss, B.A., Deputy Superin-

tendent, Geological Survey of India. v(With five plates) ..... 19

On Veins of Graphite in decomposed Gneiss (Laterite) in Ceylon; by Dr. Johannes

Walther, Jena. Translated by R. B. Footr, F.G.S., Superintendent, Geological

Survey of India . . 42

Extractsfrom the Journal of a trip to the Glaciers of the Kabru, Pandim, &c, by Pramatha

Nath Boss, B.Sc, F.G.S., Deputy Superintendent, Geological Survey of India . 46

The Salts of the Sambhar Lake in Rajputana, and of the Saline Efflorescence called

'Reh ' from Aligarh in the N.-W. Provinces ; by H. Warth, Ph.d., Geological Sur-

vey of India ........... 68

Analysis of Dolomite from the Salt Range, Panjab; by H. Warth, Ph.d., Geological

Survey of India............. 6g

Tri-montlily Notes 71

PART 2.

Preliminary Report on the Oil locality near Moghal Kot, in the Sherani country,

Suleiman Hills, by R. D. Oldham, F.G.S., Deputy Superintendent, Gtological

Survey of India ............83

On Mineral Oil from the Suleiman Hills, by Thomas H. Holland, A.R.C.S., F.G.S.,

Geological Survey of India .......... 84

Note on the Geology of the Lushai Hills, by Tom D. La Touche, B.A., Deputy

Superintendent, Geological Survey of India ....... 98

Report on the Coal-fields in the Northern Shan States, by Fritz Noetling, Ph.d.,

Palaeontologist, Geological Survey of India ....... 99

Note on the reported Namsfeka Ruby-mine in the Maingldn State, by Fritz Noetling,

Ph.d., Paleontologist, Geological Survey of India ...... lt(,

Note on the Tourmaline (Schorl) Mines in the Maingldn State, by Fritz Noetling,

Ph.d., Palceontologist, Geological Survey of India . . . . . .125

Note on a Salt spring near Bawgyo, Thibaw State, by Fritz Noetling, Ph.d.,

Palaeontologist, Geological Survey of India . . . . . . . 129

Tri-monthly Notes 131

PART 3.

Boring Exploration in the Daltongunj Coal-field, Palamovi; by Tom D. La Touche, B.A.,

Deputy Superintendent, Geological Survey of India. v(With a map) . . . 141

Death of Dr. P. Martin Duncan, M.B. (London), F.R.S., F.L.S., F.G.S., Oft. . . 153

Ji , Contributions to the study of the Pyroxenic varieties of Gneiss and of the Scapolite-

bearing Rocks; by M. Al. Lacroix.—Ceylon and Salem. (Translated by F. R.

Mallet, late Superintendent, Geological Survey of India) ..... 155

Tri-monthly Notes 201
PART 4.

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RECORDS

or

THE GEOLOGICAL SURVEY OF INDIA.

Part I.] 1891. [February.

Annual Report Of The Geological Survey Of India, And Of The Geological Museum, Calcutta, For The Year 1890.

Peninsular India.

Madras Presidency.Crystalline and Transition Series.—The auriferous con

„ „ dition of the Dhdrwir series in the Anantapur and Bellary

Mr. Foate. .. . ... ,

districts has been the main subject of economic survey,

and concomitant with this enquiry the areas of the Dhirwa> rocks in those districts

have been as closely demarcated as time would allow in the hands of the single

officer of the Survey now left to carry on the work in Southern India.

Mr. Foote reports that by the beginning of 1890 he had completed the examin

Completion of Bel- at'on of tne taluks of Harapanahalli, Haddagalli, Kudligi, Ury-Anantapur belts of and Riadrug, forming the southern half of the Bellary Dharwars. district. The field season was concluded in the Anantapur

district, where an area of 200 square miles was mapped out in following up the southerly extension of the Penner-Haggari band of Dhdrwirs.

In these regions the auriferous indications were not worthy of any particular notice; and the conclusion is, that future development must rely on the more promising tracts already pointed out by Mr. Foote.

On the south-west edge of the Cuddapah district, in the Kudiri taluk, I myself

Examination of belt 'ong a£o notec> tne occurrence of a series of sub-metamorin the Cuddapah dis- phic rocks which Mr. Foote's later investigations showed trict commenced. must a,s(J ^ o{ th<J Dhirwar series; while we have both

from time to time surmised that this occurrence might possibly be a northerly extension of the well-known and productive belt of Kolar in Mysore. The completion of the Bellary-Anantapur area now allows of this Cuddapah tract, which is in British territory, being surveyed, and Mr. Foote has commenced the present field season with that object.

Another gold region in which the granting of mining concessions has been before Old gold mines at tne Madras Government, in the Kolegal taluk of the CoimKolegal, Coimbatore batore district, has long waited for authoritative opinion ; and district- in October last Mr. Foote was enabled to make a prelimi

nary inspection. He found, however, that this tract of old mining is not in the

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