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Friday fold: a return to the duplex structure in the Gastropod Limestone
Source info:
| Author: | |
|---|---|
| Date: | 2015-07-31 14:07:23 |
| Blog: | Mountain Beltway  |
| URL: | http://blogs.agu.org/mountainbeltway/2015/07/31/friday-fold-a-return-to-the-duplex-structure-in-the-gastropod-limestone/ |
Summary:
Some time ago, I featured as Friday fold the extraordinarily complex duplex structure to be seen in the Cretaceous “gastropod limestone” member of the Kootenai Formation at Sandy Hollow, Montana. Today, let’s take a deeper look through a couple of hand-shot GigaPan images: Here’s the bigger of the two: link Here’s one with students for scale: linkContent analysis:
Stratigraphic context:
| Recognized stratigraphic terms [n]: | Cretaceous [1] Kootenai Formation [1] |
|---|---|
| Agenames chronostratigraphy [rating]: | Cretaceous [0.75] Mesozoic [0.75] Phanerozoic [0.75] [0.1] Lower Cretaceous [0.67] Albian [0.1] Aptian [0.1] |
Geographic context:
| Location | Country | Latitude | Longitude |
|---|---|---|---|
| Kootenai | US | 47.6788 | -116.683 |
| Montana | US | 46.6795 | -110.045 |
| Sandy Hollow | US | 27.9515 | -97.8221 |
Keywords:
couple, cretaceous, deeper look, duplex structure, extraordinarily complex duplex, Friday fold, gastropod limestone, hand-shot GigaPan images, Kootenai Formation, link, member, Montana, return, Sandy Hollow, students, time
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