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.
To download the Hollywood, CA Quadrangle 2018 USGS 7.5 Minute Topo Map, please use the link below.
Is the Earth Around Millennium Tower Sinking? Is the earth around the Millennium Tower sinking? Built-in 2008, the Millennium Tower in San Francisco has reportedly sunken about 17 inches into the ground surface. This subsidence is a consequence of improper geotechnical engineering design and potential changes in the hydrogeological setting. Moreover, surveyors indicate the structure is…
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…
USGS 7.5 Minute Long Beach, CA Quadrangle 2018 Topo Map To download the 2018 United States Geological Survey USGS 7.5 Minute Long Beach, CA Quadrangle Topo Map, please use the link below. PDF Download – USGS 7.5 Minute Long Beach, CA Quadrangle 2018 Topo Map
San Carlos Olivine & Peridot The San Carlos Apache Reservation is one of the earth’s richest resources olivine-rich rocks. San Carlos Olivine is a name that refers to a group of closely related minerals, with very similar chemical compositions, that are found in igneous rocks in the Apache Reservation. These olivine minerals consist of silicon…
John Muir Biography The Father of National Parks & Geology John Muir was a Scottish-American writer, lecturer, and an early influencer for nature, geology, wildlife, and more. He’s also known as an honorary public figure for advocating the conservation of wildlife from the mid-1800s to the early 1900s. To many, he was a self-mastered glaciologist,…
Geologic Description of Mars Perseverance Sol 125 Photo This geologic description of Mars is possible due to public photographs by NASA’s Mars Perseverance rover. This photograph was taken on June 27, 2021 on Earth, or Sol 125 on Mars. The geologic description of Mars by this photograph may be incomplete or pending peer review. And…