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Pacific Coast Geology > Franciscan Pillow Basalts, mouth of the Big Sur River, California by ahochstaedter

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About This Gigapan

Taken by
ahochstaedter ahochstaedter
Explore score
0.59 Gigapixels
Date added
Jan 15, 2012
Date taken
Dec 21, 2011

Franciscan pillow basalts crop out at the mouth of the Big Sur River in Andrew Molera State Park. The pillow basalts represent lavas erupted underwater, probably at a mid-ocean ridge or other deep-sea setting, that were scraped up onto the continent at a convergent margin. Nearby radiolarian chert indicates the deep-sea setting of the volcanism. Franciscan basalt is generally late Jurrassic to Cretaceous in age. Oceanic rocks that comprise the Franciscan Assemblage was obducted onto the continent during the Cretaceous at the same convergent margin that created the magmas responsible for the Sierra Nevada Batholith.

A larger gigapan of this area is here: www.gigapan.org/gigapans/95169

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Stitcher Notes


GigaPan Stitch version 1.0.0805 (Windows)
Panorama size: 591 megapixels (28432 x 20804 pixels)
Input images: 100 (10 columns by 10 rows)
Field of view: 87.8 degrees wide by 64.2 degrees high (top=32.3, bottom=-31.9)
All default settings
Original image properties:
Camera make: PENTAX
Camera model: PENTAX K-r
Image size: 4591x3049 (14.0 megapixels)
Capture time: 2011-12-21 15:03:50 - 2011-12-21 15:12:01
Aperture: f/10
Exposure time: 0.1
ISO: 200
Focal length (35mm equiv.): 132.0 mm
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 43.4 to 51.5 percent
Vertical overlap: 34.6 to 36.4 percent
Computer stats: 8098.69 MB RAM, 8 CPUs
Total time 16:17 (9.8 seconds per picture)
Alignment: 4:01, Projection: 3:44, Blending: 8:32
(Preview finished in 10:43)

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