Wonder of the shelf edge point

Sometimes I would question myself whether Geology is my thing or not. Though i made it through the first year, the difficulty level in the second year would be a lot more since the modules deal with deeeper bits!

Anyways, a bit of history here*closing my eyes & imagine* the fact that biology catches my interest buds is an undeniable truth. BUT, am i willing to do a course that deals with pure biology or has to do with biology? To be honest, i am not sure myself. Biology from my point of view deals with solid facts that you have to know and constantly reminding yourself as some of the theories can be easily forgotten. Just to end this biology-related thing, i am still liking biology so as a result i like palaeontology module in geology. I think there is a possibility that i just like seeing how animals behave or interact either in man-made or natural environment and not about the "inside".

Yesterday, I was motivated by my supervisor who's happened to be a structural geologist. I was asking about shelf - part of deltaic system. And he explained about continental shelf edge. As the explanation was progressing, i found out that the continental shelf though is not a big thing, it is actually interesting in itself. The question remains WHY. . . from my perspective, the bit that makes it interesting is that the continental shelf EDGE can 'move' depending on certain factors including sea level & rate of sediment supply. Then due to the conversation law, if you have low height delta with a sea level that stays high, there will probably be erosion taking place on the shelf region hence the delta will prograde causing the continental shelf egde to be shifted further. What's more interesting is that the continental shelf edge point can move upwards too without any process where sediments got deposited. Now, what can trigger such phenomenon? The answer lies beneath your feet! :)

Far far below the place where the worms and other deep soil creatures slither and crawling lies a mega energy of process called "TECTONICS" which can be the answer why the shelf edge point shifted upwards. This can be triggered via uplift! So geology actually deals with huge uncertainty of interpretations depending on how you imagine why they are like that and how can they be like that.Enough said, im tired.