Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Assis K. Das"'
Publikováno v:
Precambrian Research. 121:185-219
This study has investigated palaeomagnetism and magnetic properties of a tract of continental basement in south India metamorphosed to granulite facies close to the Archaean–Proterozoic boundary (∼2600 Ma) at former depths of 20–35 km. The meta
Publikováno v:
Journal of geomagnetism and geoelectricity. 45:155-165
The Precambrian Banded Haematite Jasper rocks of Orissa show red and dark coloured rhythmic bands. The former are made up of cryptocrystalline silica and haematite pigment ( 10 μm). X-ray diffraction studies also seem to indicate that haematite is t