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Showing results for tags 'boundary'.
From the album: Invertebrates and plants(& misc.)Debris, including micro glass "beads" from melted earth ejected into the air, from the KT boundary burn layer. Garfield county, Montana, Hell Creek formation. Late cretaceous (duh) *i added "misc." to this album because this didn't fit anywhere, and I thought it was really cool and should definitely be included somewhere. **There could even be vaporized dinosaur material as part of the glass and melted debris included. There definitely was plenty of it, but I guess realistically, unless it became evenly spread into the atmosphere and airborne debris, this is
I live in Eagle Pass, TX and I've been working a construction site near my house. This is a beautiful site, because there's an excavated wall with several ramps that's perhaps 10 m high (guessing from memory). I can see very clear strata that run perhaps 50 m along the wall. I've been surveying this wall, and one objective is getting a clear idea of the dates associated with the various layers. This part of Texas is generally Late Cretaceous and was a marine environment. My question is whether there's any decisive way to identify the Cretaceous-Paleogene boundary. Supposedly, there's a c