The blog that refuses to die... when visiting the nearby village of Pontacq (Flickr & village site), the glorious sunshine showed the Pic do Midi de Bigorre (Wikipedia) so clearly we could see the observatory atop! It's the left peak in the central massif below.
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| click to enlarge, view SW from nr. Pontacq |
So what might be the geology that created the layers clearly outlined in the melting snow? It so happened I already has French geological survey's 1:1M map already on my computer, so I created a 3D view lookig neast along strike - along the ridges - underlain by the geology. You see the layer ribbons following the ridges in this perspective view:
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| click to enalrge, full size here |
This effect comes from using so-called overlay blending: it allows the topography to peek thru the geology - natural as the former is created by the latter - already used it in this story map here and recent blog here to show relief and infrastructure in N England.
This wraps up a blog started 15½ yrs. ago - deets in banner menu & sidebar index on desktop blog - as I move on in my life’s next phase… Thanks for reading!
