Geomorphology

Turonian stage of the Upper Cretaceous. See

http://www.scribd.com/doc/56942425/41/The-Stages-of-the-Cretaceous-Period

Diaclasa
http://es.wikipedia.org/wiki/Diaclasa - Links to "Joint" in the English Wiki

Archaeological Campaign or Season ?
I have used Season, see below (CBJ)
This from Wordreference forum

Q Can I use "archaeological campaign" referring to archaeological excavations carried out during one season or during a few months?

A .I'm not native, but I'm archaeologist and work in the UK (Oxford Archaeology, check the link in my profile). Archaeological season is the right one.
Archaeological campaign sounds more like if you were to Africa or Asia, kind of old fashioned. I hope it helps!
Later edit: confirmed by native colleagues

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