exceptional preservation Flashcards
1
Q
era of burgess shale
A
cambrian
2
Q
why is burgess shale significant
A
preserved soft parts of fossils with clay minerals
3
Q
what did it show that was new
A
soft bodied creatures like worms whos existence was unknown before
4
Q
what special fossils did it contain
A
trilobite
5
Q
where is solenhofen limestone
A
germany
6
Q
where is burgess shale
A
candian rocky mountains
7
Q
how old is solenhofen
A
115Ma
8
Q
what period is solenhofen limestone
A
jurassic
9
Q
what were conditions for solenhofen limestone to form
A
highly saline shallow sea - anoxic conditions led to death of animals which were reserved by fine grained sediments and carbonate mud
10
Q
what special fossil was found in Solenhofen Limestone
A
archaeopteryx (WITH FEATHERS!!!)