tag:blogger.com,1999:blog-6673091514910383162.post3024736751302720851..comments2022-06-27T22:55:09.261+03:00Comments on Winoblog: UCA_A7-A4_4: Day 63 - How much life!Hera Karayannihttp://www.blogger.com/profile/03562209355698786356noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6673091514910383162.post-19369923758960498802016-05-27T11:21:59.302+03:002016-05-27T11:21:59.302+03:00You are right, the cracks on the side a re from th...You are right, the cracks on the side a re from the gases produced by microorganisms. What type of gases?<br /><br />The orange colour you see in the dark column are not from Rhodospirillum. This bacteria needs light (is a phototroph, Rhodo-from the bacteriochlorophyll pigments it has) and in your dark column there is no light. The orange colour in the dark are simple precipitates of iron oxides that are produced abiotically.<br /><br />Did you also see that you have small burrows of (now dead) worms that are full of iron oxides? Anonymoushttps://www.blogger.com/profile/16671538935478091986noreply@blogger.com