<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/2d7e73f2-009d-475a-8334-bda3a113968c/275CE5A5-BF8B-485F-8E4C-1F39D9C28980/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.itc.nl/~coalfire/photos/overview.html" href="http://www.itc.nl/~coalfire/photos/overview.html" style="font-size: 11px;">www.itc.nl</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.itc.nl/img/E2737386-27E4-4C86-80A0-BC4256E20F03" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><P class="caption">Clouds of noxious gases coming out of an exhalation crack above a near-surface coal fire.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.itc.nl/img/21C9A9DA-5A18-40F2-B8AC-25E10EEBB8DC" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><P class="caption">Exhalation crack above a sub-surface coal fire. Sublimation minerals along exhalation crack are mainly salmiac (white) and sulfur (yellow).</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.itc.nl/img/D4816FAA-1042-48C3-AED3-B61BF9429BCA" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><P class="caption">Subsidence above progressed coal fire. The void left behind by the burnt-away near-surface coal layer collapses under the load of the sandstone layers above. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.itc.nl/img/5F2A444F-57BD-46D3-B810-0D04977A6727" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><P class="caption">Near surface coal fire as seen from surface.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.itc.nl/img/15ED3464-9474-4382-BF08-58CD49688667" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><P class="caption">Temperature measurements in a coal fire area with a radiant thermometer under hazardous conditions.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.itc.nl/img/2D49BB8F-5973-42D8-A695-6D34D2E0C807" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><P class="caption">Temperature measurements in a coal fire area with a radiant thermometer under hazardous conditions. Salmiac exhalation minerals form a white crust on the rocks around this exhalation vent of an underground coal fire. Photo credit: DFD/DLR Germany.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.itc.nl/img/F04CD24C-AE5C-4F0A-9AC7-970F7A5F2F32" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.itc.nl/~coalfire/photos/overview.html">Infrared picture of hilly terrain in the Wuda region. Blue colours represent the cold sky; shades of yellow and green the normal temperatures of the rocks. The clusters of red patches are caused by underground coal fires</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/275CE5A5-BF8B-485F-8E4C-1F39D9C28980/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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