The Rocktypes: Notes for my students. I am reading the book “Petrology – Igneous, Sedimentary and Metamorphic” by Ehlers and Blatt after a long time. This is my own notes that I found most interesting from the first chapter named “Why Petrology?” There are many questions to be answered by studying various rock types. What [...]

Last Weekend was busy. Well I have been too busy for a while now. However, I had to meet my friend Monalisa Mukherjee who came all the way from Mumbai to America to visit many of us. We decided Luray Caverns would be a good place to stop. So, I drove 4 hours last Sunday [...]