geology
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Staff photo index
Last update: 2017-07-27
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 Organ pipes in Damaraland
(Namibia)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0253]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0253.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0253]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0341]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0341.jpg) Tsingy bridge [madagascar_ankarana_0341]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0830]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0830.jpg) Organ pipes in Damaraland [namibia_0830]
(Namibia)
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![Organ pipes in Damaraland [namibia_0836]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0836.jpg) Organ pipes in Damaraland [namibia_0836]
(Namibia)
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![Tsingy bridge [madagascar_ankarana_0339]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0339.jpg) Tsingy bridge [madagascar_ankarana_0339]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0351]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0351.jpg) Tsingy bridge [madagascar_ankarana_0351]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0835]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0835.jpg) Organ pipes in Damaraland [namibia_0835]
(Namibia)
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![Tsingy bridge [madagascar_ankarana_0345]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0345.jpg) Tsingy bridge [madagascar_ankarana_0345]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0249]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0249.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0249]
(Madagascar)
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![Limestone karst in Madagascar [madagascar_ankarana_0380]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0380.jpg) Limestone karst in Madagascar [madagascar_ankarana_0380]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0237]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0237.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0237]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0236]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0236.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0236]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0834]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0834.jpg) Organ pipes in Damaraland [namibia_0834]
(Namibia)
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![Organ pipes in Damaraland [namibia_0826]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0826.jpg) Organ pipes in Damaraland [namibia_0826]
(Namibia)
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![Tsingy bridge [madagascar_ankarana_0344]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0344.jpg) Tsingy bridge [madagascar_ankarana_0344]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0251]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0251.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0251]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0822]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0822.jpg) Organ pipes in Damaraland [namibia_0822]
(Namibia)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0243]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0243.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0243]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0247]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0247.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0247]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0343]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0343.jpg) Tsingy bridge [madagascar_ankarana_0343]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0823]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0823.jpg) Organ pipes in Damaraland [namibia_0823]
(Namibia)
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![Tsingy in Ankarana [madagascar_ankarana_0328]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0328.jpg) Tsingy in Ankarana [madagascar_ankarana_0328]
(Madagascar)
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 Tsingy in Ankarana
(Madagascar)
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 Path to the Lavaka of Ankarokaroka
(Madagascar)
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 Rocks in Patagonia
(Chile)
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 Sedimentary rocks in Patagonia
(Chile)
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![Limestone karst in Madagascar [madagascar_ankarana_0379]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0379.jpg) Limestone karst in Madagascar [madagascar_ankarana_0379]
(Madagascar)
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![Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0289]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0289.jpg) Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0289]
(Madagascar)
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 Tsingy in Madagascar
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0430]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0430.jpg) Tsingy in Madagascar [madagascar_ankarana_0430]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0340]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0340.jpg) Tsingy bridge [madagascar_ankarana_0340]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0837]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0837.jpg) Organ pipes in Damaraland [namibia_0837]
(Namibia)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0239]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0239.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0239]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0832]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0832.jpg) Organ pipes in Damaraland [namibia_0832]
(Namibia)
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![Tsingy bridge [madagascar_ankarana_0337]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0337.jpg) Tsingy bridge [madagascar_ankarana_0337]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0429]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0429.jpg) Tsingy in Madagascar [madagascar_ankarana_0429]
(Madagascar)
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![Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0287]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0287.jpg) Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0287]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0350]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0350.jpg) Tsingy bridge [madagascar_ankarana_0350]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0461]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0461.jpg) Tsingy in Madagascar [madagascar_ankarana_0461]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0432]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0432.jpg) Tsingy in Madagascar [madagascar_ankarana_0432]
(Madagascar)
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 Dinosaur-shaped tsingy in Ankarana
(Madagascar)
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![Organ pipes in Damaraland [namibia_0825]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0825.jpg) Organ pipes in Damaraland [namibia_0825]
(Namibia)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0754]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0754.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0754]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0431]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0431.jpg) Tsingy in Madagascar [madagascar_ankarana_0431]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0331]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0331.jpg) Tsingy bridge [madagascar_ankarana_0331]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0246]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0246.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0246]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0244]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0244.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0244]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0752]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0752.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0752]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0332]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0332.jpg) Tsingy bridge [madagascar_ankarana_0332]
(Madagascar)
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![Limestone karst in Madagascar [madagascar_ankarana_0349]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0349.jpg) Limestone karst in Madagascar [madagascar_ankarana_0349]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0252]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0252.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0252]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0428]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0428.jpg) Tsingy in Madagascar [madagascar_ankarana_0428]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0348]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0348.jpg) Tsingy bridge [madagascar_ankarana_0348]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0333]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0333.jpg) Tsingy bridge [madagascar_ankarana_0333]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0245]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0245.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0245]
(Madagascar)
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![Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0286]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0286.jpg) Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0286]
(Madagascar)
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![Limestone karst in Madagascar [madagascar_ankarana_0347]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0347.jpg) Limestone karst in Madagascar [madagascar_ankarana_0347]
(Madagascar)
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 Limestone karst in Madagascar
(Madagascar)
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 Fossilized nautaloid
(Chile)
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![Tsingy bridge [madagascar_ankarana_0342]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0342.jpg) Tsingy bridge [madagascar_ankarana_0342]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0248]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0248.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0248]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0254]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0254.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0254]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0831]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0831.jpg) Organ pipes in Damaraland [namibia_0831]
(Namibia)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0753]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0753.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0753]
(Madagascar)
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![Limestone karst in Madagascar [madagascar_ankarana_0353]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0353.jpg) Limestone karst in Madagascar [madagascar_ankarana_0353]
(Madagascar)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0250]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarafantsika_0250.jpg) Lavaka of Ankarokaroka [madagascar_ankarafantsika_0250]
(Madagascar)
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 Giant sinkhole in Ankarana riverbed
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0427]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0427.jpg) Tsingy in Madagascar [madagascar_ankarana_0427]
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0336]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0336.jpg) Tsingy bridge [madagascar_ankarana_0336]
(Madagascar)
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![Limestone karst in Madagascar [madagascar_ankarana_0352]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0352.jpg) Limestone karst in Madagascar [madagascar_ankarana_0352]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0426]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0426.jpg) Tsingy in Madagascar [madagascar_ankarana_0426]
(Madagascar)
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 Fossils
(Chile)
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![Organ pipes in Damaraland [namibia_0829]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0829.jpg) Organ pipes in Damaraland [namibia_0829]
(Namibia)
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![Organ pipes in Damaraland [namibia_0827]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0827.jpg) Organ pipes in Damaraland [namibia_0827]
(Namibia)
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![Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0288]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0288.jpg) Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0288]
(Madagascar)
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![Tsingy in Madagascar [madagascar_ankarana_0464]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0464.jpg) Tsingy in Madagascar [madagascar_ankarana_0464]
(Madagascar)
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![Limestone karst in Madagascar [madagascar_ankarana_0382]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0382.jpg) Limestone karst in Madagascar [madagascar_ankarana_0382]
(Madagascar)
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![Organ pipes in Damaraland [namibia_0828]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0828.jpg) Organ pipes in Damaraland [namibia_0828]
(Namibia)
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![Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0292]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0292.jpg) Giant sinkhole in Ankarana riverbed [madagascar_ankarana_0292]
(Madagascar)
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 Tsingy bridge
(Madagascar)
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![Tsingy bridge [madagascar_ankarana_0338]](http://mongabay.s3.amazonaws.com/madagascar-2012/150/madagascar_ankarana_0338.jpg) Tsingy bridge [madagascar_ankarana_0338]
(Madagascar)
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 Lavaka of Ankarokaroka
(Madagascar)
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![Organ pipes in Damaraland [namibia_0821]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0821.jpg) Organ pipes in Damaraland [namibia_0821]
(Namibia)
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![Organ pipes in Damaraland [namibia_0833]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0833.jpg) Organ pipes in Damaraland [namibia_0833]
(Namibia)
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![Organ pipes in Damaraland [namibia_0820]](http://mongabay-images.s3.amazonaws.com/namibia/150/namibia_0820.jpg) Organ pipes in Damaraland [namibia_0820]
(Namibia)
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![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0253]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0253.jpg)
![Tsingy bridge [madagascar_ankarana_0341]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0341.jpg)
![Organ pipes in Damaraland [namibia_0830]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0830.jpg)
![Organ pipes in Damaraland [namibia_0836]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0836.jpg)
![Tsingy bridge [madagascar_ankarana_0339]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0339.jpg)
![Tsingy bridge [madagascar_ankarana_0351]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0351.jpg)
![Organ pipes in Damaraland [namibia_0835]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0835.jpg)
![Tsingy bridge [madagascar_ankarana_0345]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0345.jpg)
![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0249]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0249.jpg)
![Limestone karst in Madagascar [madagascar_ankarana_0380]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0380.jpg)
![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0237]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0237.jpg)
![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0236]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0236.jpg)
![Organ pipes in Damaraland [namibia_0834]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0834.jpg)
![Organ pipes in Damaraland [namibia_0826]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0826.jpg)
![Tsingy bridge [madagascar_ankarana_0344]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0344.jpg)
![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0251]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0251.jpg)
![Organ pipes in Damaraland [namibia_0822]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0822.jpg)
![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0243]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0243.jpg)
![Lavaka of Ankarokaroka [madagascar_ankarafantsika_0247]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarafantsika_0247.jpg)
![Tsingy bridge [madagascar_ankarana_0343]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0343.jpg)
![Organ pipes in Damaraland [namibia_0823]](http://mongabay-images.s3.amazonaws.com/780/namibia/namibia_0823.jpg)
![Tsingy in Ankarana [madagascar_ankarana_0328]](http://mongabay-images.s3.amazonaws.com/780/madagascar/madagascar_ankarana_0328.jpg)
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