Records of the Geological Survey of India, Volume 83Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 35
These are whitish to light brown in colour and sometimes show signs of secondary silicification . Generally quartz - mica - schists and hornblendeschists strike between N.-S. and N.N.W.-S.S.E. and have an easterly dip .
These are whitish to light brown in colour and sometimes show signs of secondary silicification . Generally quartz - mica - schists and hornblendeschists strike between N.-S. and N.N.W.-S.S.E. and have an easterly dip .
Page 62
The quartzites are white , buff , grey , pale pink , or greenish black in colour . These are mostly compact , fine - grained and attain considerable thickness . In some places they are ferruginous . The rocks are traversed by two sets ...
The quartzites are white , buff , grey , pale pink , or greenish black in colour . These are mostly compact , fine - grained and attain considerable thickness . In some places they are ferruginous . The rocks are traversed by two sets ...
Page 450
In thin section , the mineral has a greenish blue colour ; it is strongly pleochroic inX = pale yellowish buff to almost colourless ; Y greenish blue ; Z = deep sapphire - blue . Other optical characters are :― y = 1 · 727 · 001 . a = 1 ...
In thin section , the mineral has a greenish blue colour ; it is strongly pleochroic inX = pale yellowish buff to almost colourless ; Y greenish blue ; Z = deep sapphire - blue . Other optical characters are :― y = 1 · 727 · 001 . a = 1 ...
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Contents
ENGINEERING GEOLOGYcontd | 14 |
GEOLOGICAL SURVEYScontd | 17 |
SOUTHERN CIRCLE | 50 |
58 other sections not shown
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Common terms and phrases
abutment alignment appears Assistant associated Attached average bands bank bauxite boring carried cent charnockites Circle clay coal collected considered consist construction containing continued covered dam-site deep deposits depth detailed Development district drilling early east effect Engineering examined feet field formations foundation fresh further Garhwal geological Geologist gneisses Government granite ground half headquarters hill holes inches India joints leave lignite limestone localities located Lower Madras mapping material Messrs miles Mineral Mining November Nummulites occur places portion possible Pradesh present Project proposed quartz quartzites railway recommended reports reserves Returned river road rocks samples sand sandstone seams shales sheet 57 side soil strike suggested suitable surface Survey thickness thin tion tons town trap tunnel Upper valley varying veins village visited water supply weathered yield zone
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 83 |
| Author | Geological Survey of India |
| Publisher | The Survey, 1950 |
| Original from | the University of California |
| Digitized | 19 Aug 2016 |
| Export Citation | BiBTeX EndNote RefMan |