StoneRoad2013's photos with the keyword: ash

The Northern Lights are seen above the ash plume of Iceland's Eyjafjallajokull volcano in the evening in this April 22, 2010 photo. not my image : fair use & public education en.wikipedia.org/wiki/Aurora en.wikipedia.org/wiki/Eyjafjallaj%C3%B6kull#2010_eruptions

Eruption plume from Tonga's Hunga-Tonga Hunga-Ha'apai volcano on 15th January 2022. This, and an accompanying tsunami was the culmination of an eruption that started around the 20th December 2021. The tip of the plume was estimated to have reached 55km in altitude and ash was widely distributed over the southern Pacific Ocean. NASA estimated the blast as about 10 Megatons of TNT ... wiki : en.wikipedia.org/wiki/2022_Hunga_Tonga%E2%80%93Hunga_Ha%CA%BBapai_eruption_and_tsunami#December_2021 . www.bbc.co.uk/news/science-environment-60088413 Not my Image : fair use & public information

Look closely at the stem in the centre - it is actually two ash saplings twisted around each other. If they were to survive [the area has ash-dieback disease] and grow to full tree size, that would make for some very interesting grain patterns.

Another set of sawdust layers collected by the dust extraction system. Timber species include:- oak, ash, sapele, cherry, douglas fir and iroko.