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File:USA tar bubble la brea CA.jpg

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Original file (2,272 × 1,704 pixels, file size: 1.56 MB, MIME type: image/jpeg)

Summary

Camera location34° 03′ 49.89″ N, 118° 21′ 26.24″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo
Description
English: Tar bubble at the La Brea Tar Pits — in Los Angeles, California, USA
Deutsch: Aufsteigende Blase im Teer der La Brea Teergruben (La Brea tar pits) in Los Angeles, California, USA
Français : L'un des affleurements d'asphalte naturel de Rancho La Brea, avec une bulle de gaz (méthane) émergeant lentement d'un petit puits de goudron.
  • Des millions d'animaux sont mort noyés sur ce site, englués dans l'asphalte naturel. C'est un gisements fossilifères réputé comme étant les plus intéressant au monde. On y trouve des cadavres de nombreux animaux fossiliés. 95 % des cadavre englués dans le pétrole sont des insectes (insectes aquatiques pour la plupart), dont on pense maintenant qu'ils ont été en grande partie attirés par la polarisation de la lumière solaire sur le pétrole, qui pour ces insectes évoque celle - très attractive - d'une surface en eau.
  • C'est un des exemples anciens de piège écologique
Date
Source Own work
Author Daniel Schwen

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Captions

Tar bubble at La Brea Tar Pits, Los Angeles, California, USA

Items portrayed in this file

depicts

La Brea Tar Pits

inception

15 April 2004

coordinates of the point of view

34°3'49.885"N, 118°21'26.244"W

coordinates of depicted place

34°3'49.88498"N, 118°21'26.24400"W

exposure time

0.004 second

focal length

28.8125 millimetre

media type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current10:12, 3 May 2006Thumbnail for version as of 10:12, 3 May 20062,272 × 1,704 (1.56 MB)Dschwen{{Information| |Description=Tar bubble at the La Brea tar pits, Los Angeles, California, USA |Source=own photo |Date=April 15th 2004 |Author=Daniel Schwen |Permission= |other_versions= }}

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