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File:Brown Bluff-2016-Tabarin Peninsula–Volcanic tephra.jpg

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Summary

Description
English: Block of tephra, at Brown Bluff, Tabarin Peninsula, Antarctic Peninsula. To give an idea of scale, the height at the center of the object is at least 6 ft (1.8 m). Per Skilling, I. P. (1994). Evolution of an englacial volcano: Brown Bluff, Antarctica. (not publicly available on line, and I was only able to read the first two pages), it appears to be "alkali basaltic" in composition (at least the Brown Bluff tephra in general appears to be), I think this is referring to the darker solid chunks contained in the lighter matrix material.
Date
Source Own work
Author Godot13
Attribution
(required by the license)
InfoField
Andrew Shiva / Wikipedia / 
CC BY-SA 4.0
Andrew Shiva / Wikipedia


Object location63° 31′ 08.22″ S, 56° 53′ 49.02″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Captions

Block of tephra

Items portrayed in this file

depicts

inception

15 January 2016

coordinates of depicted place

63°31'8.22"S, 56°53'49.02"W

media type

image/jpeg

checksum

8a6eaa32a08859ef68fbdf3e9b6c298daef4b0a0

determination method or standard: SHA-1

data size

13,621,108 byte

height

3,125 pixel

width

3,848 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current21:57, 3 April 2016Thumbnail for version as of 21:57, 3 April 20163,848 × 3,125 (12.99 MB)Godot13CA & crop
03:56, 4 February 2016Thumbnail for version as of 03:56, 4 February 20165,688 × 3,792 (19.65 MB)Godot13User created page with UploadWizard

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