Rocks

Tools for the Geologist

Need a new rock hammer, chisel, field bag, hammer holster, field book, hardness set, hand lens, topo map, gold pan or other geological tool? Check out the Geology.com store.

More at .

Most Popular: 11/18 to 11/24

Inaccurate News Reports about Newberry Caldera and Salton Buttes [1]

Life Beneath the Seafloor [2]

Not Caused by Fracking [3]

Rare Earth Elements in Arizona? [4]

Stolen Petroglyphs [5]

Dispute: Natural Gas Under Natural Gas Storage Fields [6]

Volcano Movies [7]

[1] http://www.wired.com/wiredscience/2012/10/fearmongering-speculation-newberry-salton-buttes/
[2] http://nsf.gov/news/news_summ.jsp?cntn_id=126049&WT_mc_id=USNSF_51&WT_mc_ev=click
[3] http://earthquake.usgs.gov/regional/ceus/usb0006klz/aftershocks.php
[4] http://arizonageology.blogspot.com/2012/11/rethinking-rare-earth-element-potential.html
[5] http://www.latimes.com/news/local/la-me-petroglyphs-theft-20121119,0,6886011.story
[6] http://www.cleveland.com/business/index.ssf/2012/11/gas_storage_fields_complicatin.html
[7] http://www.wired.com/wiredscience/2012/11/your-guide-to-volcanoes-in-movies/

More at Geology.com.

Rouge Fractures

“The chances of rogue fractures due to shale gas fracking operations extending beyond 0.6 kilometres from the injection source is a fraction of one percent, according to new research led by Durham University. The analysis is based on data from thousands of fracking operations in the USA and natural rock fractures in Europe and Africa.” Quoted from the Durham University press release.

More at Durham University.

Shale Resources and Society Institute

“A new Shale Resources and Society Institute [...] will serve as a resource to help the public, policymakers and other stakeholders understand shale’s potential as an energy resource. The goal of the institute is to provide accurate, research-based information on the development of shale and other unconventional resources.” Quoted from the University at Buffalo press release.

More at University at Buffalo.

How Does Gas Occur in Shale?

The Baker Hughes Reservoir Blog has an interesting article that explains how natural gas occurs in shale and how that gas might have formed….. “Gas produced from shale reservoirs may either be thermogenic or biogenic or a combination.”

More at Baker Hughes Reservoir Blog.

Betting on Oil Wells in Iowa?

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 R…

More at DesMoinesRegister.com.