Sulphur crystals at a fumarole at Papadayan volcano
File: java_-5902.jpg | 88 Hits Image author: Tobias Schorr [mail] --- Image found in Java & Krakatau July 2009
White gypsum and yellow sulphur deposits form bizarre crusts around the fumaroles that have temperatures mostly between 100 and 300 degrees centigrade.
File: Vulcano_g2990.jpg | 261 Hits Image author: Tom Pfeiffer [mail] --- Image found in Stromboli to Etna tour April 2008
Sulphur inside a fumarole of Papadayan volcano
File: java_-5914.jpg | 89 Hits Image author: Tobias Schorr [mail] --- Image found in Java & Krakatau July 2009
Sulphur deposits in the crater creek of Papadayan volcano
File: java_-5982.jpg | 93 Hits Image author: Tobias Schorr [mail] --- Image found in Java & Krakatau July 2009
Sulphur covers part of the walls of a small, deep pit crater in the caldera, near the north crater (background). Sulphur from fumaroles also covers the caldera walls in t...
File: erta_ale_g8635.jpg | 730 Hits Image author: Tom Pfeiffer [mail] --- Image found in Danakil expedition Nov-Dec 08, part I: Erta Ale volcano