Methane on Mars Geologists understand that methane on Mars could relate to possible signs of past life, future sustainability, and similar geological processes to Earth. And sources of methane gas in the Mars atmosphere are presumably from biogenic and petrogenic processes. For example, microbial and thermal decomposition of underground organic matter, or tectonic and volcanic…
Geology of East Hollywood, Los Angeles, California & Hydrogeology This post summarizes the basic geology of the East Hollywood region of Los Angeles California. Some geological and hydrogeological data may be incomplete or pending review. Nonetheless, students, geologists, and earth scientists are welcome to openly use, critique, and contribute information. To do so, please refer…
Hollywood, CA Quadrangle 2018 USGS 7.5 Minute Topo Map To download the Hollywood, CA Quadrangle 2018 USGS 7.5 Minute Topo Map, please use the link below. PDF Download – Hollywood, CA Quadrangle 2018 USGS 7.5 Minute Topo Map
