Sample: FC-109
Sample ID: | FC-109 [1] | ||||||||||
Station ID: | FC-109 | ||||||||||
AT Num: | |||||||||||
Volcano: | Fisher | ||||||||||
Possible source: | |||||||||||
Eruption: | |||||||||||
Collector: | Unknown, Unknown | ||||||||||
Date sampled: | 2000-07-18 | ||||||||||
Sample type 1: | Other | ||||||||||
Color: | |||||||||||
Final unit: | |||||||||||
Text Description: | Lava ramps up on the N side of the hill a bit, but no stratigraphy |b| lava and capping maar. Mar has a coarse breccia at base w/ large (8cm) "juvenile" clasts. At top, it is very lapilli rich and also shows cross-bedding. It is possible that maar surge overran this hill (ld cinder cone?) and valley fill is covered by younger lava flow. ??? Maar stuff seems to have 3 layers, 1.5 m fine , laminated, lapilli rich, cross bedded at top, 3.0 m coarser breccia, larger clasts, greyish color, then 1.5 m of coarse basal breccia (tan colored) at base. N/A | ||||||||||
Sample Location: |
![]() ![]() Great Sitkin Spurr Legend ✕
100 km 50 mi |