the bundelkhand-aravalli craton is the most important lithotectonic unit in the central and western india where paleoproterozoic aravalli supracrustal sequence has been deposited over an archaean basement, the latter also known as the banded gneiss complex (bgc). a ne-trending linear metasedimentary sequence, designated as the jahazpur belt occurs along the eastern fringe of the aravalli superg...

Life on Earth has existed for at least 3.5 billion years. Yet, relatively little is known of its evolution during the first two billion years, due to the scarceness and generally poor preservation of fossilized biological material. Cyanobacteria, formerly known as blue green algae were among the first crown Eubacteria to evolve and for more than 2.5 billion years they have strongly influenced E...

The results of a geochemical study organic matter found in carbonate deposits typical section the Minyar formation Upper Riphean, exposed within Karatau structural complex western part Bashkir meganticlinorium, are presented.
 Analytical methods gas chromatography and chromato-mass spectrometry extracted hydrocarbons have been used to diagnose diamantanes, alkanes specific biomarkers – tri...