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Keywords: amygdaloidal basalt
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Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-026
... structures like bridges, foot over bridges and tunnels are to be constructed. Grayish to brownish fine grained amygdaloidal basalts are present in the area. The proposed new tunnel having length 150 m, width 12m and height 8.5m is to be driven parallel to the existing tunnel. The tunnel is to accommodate two...
Proceedings Papers

Paper presented at the 8th ISRM Congress, September 25–29, 1995
Paper Number: ISRM-8CONGRESS-1995-209
... and the highly amygdaloidal basalts containing clay spots. Much of the clay material present in these basalts was expansive and had developed as a result of deuteric, alteration of olivine, glass and some pyroxenes in the case of the olivine basalts. RESUME: La durabilite des basaltes de formation du...
Proceedings Papers

Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-086
... the downstream at the bedding planes with sand stone. The aerial extent of the clay seams was varying from block to block and estimated as 40 percent in the blocks 8 to 11, 50 percent in block 12 and 70 percent in the blocks 13 to 16 of the foundation area of each block. amygdaloidal basalt seam...

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