The state of Massachusetts has a long list of official symbols. There's an official muffin, a state cat (and dog) and a state rock. But so far, not an official sedimentary structure. That could change ...

Block diagrams show interpreted sedimentary structures. The boulder is about 110 cm across and preserves a series of left-dipping planar surfaces separating 2-10 cm thick tabular units interpreted to ...

An international research team led by Professor Long Xiao from the School of Earth Sciences of China University of Geosciences (Wuhan) discovered the presence of marine sedimentary rocks on the ...