Geology News
Iowa Current Events

Raven Maps are beautiful examples of shaded-relief wall maps that display the elevation of a state in vibrant colors. These large maps look great in a classroom, den or office. Use one to mark the locations of your work or company.

Geology.com and RockTumbler.com are both GeoShops.com websites.

Lots of people enjoy going to fee mining sites where you can prospect inactive surface mines, mine tailings, soil, sediments or outcrops and keep any rocks, gems, minerals or fossils that you find. Examples include: Herkimer Diamond Mines where you can search for doubly-terminated quartz crystals, and Crater of Diamonds where you might be lucky enough to find a real diamond.

“Recent airborne geophysical surveys near Decorah, Iowa are providing an unprecedented look at a 470- million-year-old meteorite crater concealed beneath bedrock and sediments. [...] The extent of the shale, which was deposited after the impact by an ancient seaway, defines a “nice circular basin” of 5.5 km width.” Quoted from the University of Iowa press release.

The folks at MyTopo.com are now printing supersized topo maps; large enough make a huge 8′ x 5′ (or 5′ x 8′) map that will look fantastic on the wall of your office, conference room, lobby, cabin or den. These maps are custom-centered on any location that you pick using their online map-making tool.

We are affiliates of MyTopo.com and receive a commission on sales.

With natural gas at the lowest price in over a decade it has become economically attractive to use it as a raw material for making fertilizer. A company from Egypt plans to build a 2-million-tons-per-year fertilizer plant in Iowa.

Mountain Press Publishing has released a new book by Albert B. Dickas titled: 101 American Geo-Sites You’ve Gotta See.

It provides a two-page presentation on each site that features photos, text and a map. It is a good way to get a quick glimpse of these 101 fantastic sites. It sells for $23.99.

See a table of contents.

The-Vug.com has an impressive listing of mineral clubs organized by state. You might be surprised at how many clubs are listed and there is probably one that meets within a short drive of your home.

Abandoned mines and quarries are dangerous places! Every year about 20 to 30 people die in accidents that occur in abandoned mines across the United States. The victims range in age from preschool children to an 85 year-old mining veteran.

“Non-hydroelectric renewable generation has increased in many states over the past decade. In 2011, Maine had the highest percentage of non-hydroelectric renewable generation, at 27% of total in-state generation, up from 20% in 2001 (see maps). South Dakota and Iowa followed, with 21% and 17%, respectively, in 2011, up from 1% and less than one percent in 2001. Wind is the largest driver of this increase across all states.” Quoted from the Energy Information Administration press release.

Iowa does not have any current oil or gas production, however, it is underlain by rock units that some believe have an outside chance of yielding oil or natural gas through horizontal drilling and hydraulic fracturing. This article in the Des Moines Register reveals some of the people who are betting and why.