2017-07-08-15-17-56.jpg 2015-07-12-15-20-17MiniatureIgneous rocks on the Sonoma Peak south-east ridge2015-07-12-15-20-17MiniatureIgneous rocks on the Sonoma Peak south-east ridge2015-07-12-15-20-17MiniatureIgneous rocks on the Sonoma Peak south-east ridge2015-07-12-15-20-17MiniatureIgneous rocks on the Sonoma Peak south-east ridge2015-07-12-15-20-17MiniatureIgneous rocks on the Sonoma Peak south-east ridge
These are rock formatons made 150,000 years ago after basalt lava flows cooled down slowly, forming columns with regular geometric shapes (mostly hexagons. Their diameter varies from 10 to 40 cm.
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Make PENTAX
Model PENTAX K-5 II s
DateTimeOriginal 2017:07:08 15:17:56
ExposureTime 1/400
ApertureFNumber f/5.6
FocalLength 24/1
ISOSpeedRatings 100
Copyright © Frédéric Garzon, All Rights Reserved - CC BY 4.0 - http://creativecommons.org/licenses/by/4.0/
iptc_keywords Hike