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 ...

Today, we have another sedimentary structure commonly seen in turbidite successions. The features above that look like flames are called ... drum roll ... ... flame ...

Today we are gonna look at some ripple cross-laminated sandstone. More specifically these are called 'climbing ripples', or sometimes you may see this sedimentary structure referred to as 'ripple ...

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 ...