offset in white & overlying yellow layers
Hey - what's that doing here?!
inside pumice blobs
Entrained in the eruption? Or later contamination from nearby White Mountains source rocks?
in the French Valley
Or "Luna," if you're actually in Patagonia.
When chunks of "host" rock break off from the roof (or walls) of a magma chamber, and become independent liberated bits called "xenoliths."
Lovely structure within a structure.
on the left side of this olivine grain.
= red line
= red stripe
in his little anticline house.
The only one in this layer...
Seems like this could be a poly-crystal aggregate that preceded eruption?
between weathering 'style' of the outcrop and the clast size of the sediment that is building up in the small "mini-talus" slopes at the base of the cliff.
about hinges and wrinkles
appears to be here. A good place to measure the limbs' strike and dip and then use a stereonet to determine the trend and plunge of the hinge line.
that the same strata are yellow at the top and gray at the bottom.
GigaPan is the only way.
Gray, yellow, brown - seems to be a repeating pattern. What does this mean?
east-facing joint set
well rounded, too!
Some areas are in focus, others aren't, like the big porphyroblast of garnet in the lower right of this snapshot.
Image stacking slightly misaligned. Arrrgh.
Very fine-grains; very calm deposition (lake bottom?)
Is that what's going on here?
soft sediment deformation - graviational instability generated by the sudden deposition of a bolus of sand atop layers of squishy mud.
Looks like some soft sediment deformation to me.
Properly stacked (left) and improperly (right)
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