Is the leaf dangling from the web or built into it? As there are a group of spiders that incorporate a rolled leaf into their web that they use as a retreat.
http://www.brisbaneinsects.com/brisbane_orbweavers/LeafRollingSpider.htm...
A solid grasp on the classic fundamentals is a must as is the ability to write concisely and technically. Though, as the bulk of geological work is in either mining and mineral exploration, skills that will give you a head start for these fields is what will give you the edge.
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