To more accurately map the variations in stress due to the anomalous lower crust of the YMS and CB, however, it is important to use a more realistic structure. We use the mean density from across 1,000 models (Fig. 2) as the input for a three-dimensional PyLith finite-element model60...
Yep, there’s an app for that. In this post, I’ll show you how I revealed several petroglyphs with the app,Rock Art Enhancer.Click through the slideshow of each image below. In each of the first pictures, I show the original image. In the second, I used theAuto level and increase ...
From their capital of Cuzco in the Andean highlands, through conquest and negotiation, the Incas built an empire that stretched around the western half of the South American continent from present day Ecuador to central Chile and Argentina. They cut terraces into the sides of mountains to farm ...
Virginia's voluntary transfer to the United States of its title to the Northwest Territory radically changed the strategic situation for New England. Instead of being bottled up on the northeast seaboard of the continent, the people of New England could peaceably migrate west and north of the riv...
This is an excellent deal, especially since you don't have to pay fuel surcharges— though be aware that Virgin Atlantic does pass on Delta's Europe origination surcharge for itineraries that begin on the continent. VIRGINATLANTIC.COM If you can, book flights equipped with Delta One Suites ...
Lithological composition of the North American continent and implications of lithological map resolution for dissolved silica flux modeling, Geochemistry Geophysics Geosystems, 11:Q11003.Moosdorf, N., J. Hartmann, and H. H. Durr (2010), Lithologi- cal composition of the North American continent ...
New developments in already established regional projects and new initiatives dealing with the geology of the continent will be summarized and presented on a regular basis. Short notes, discussions, book reviews and conference and workshop reports will also be included when relevant. This journal we...
North American communities were connected by kin, politics, and culture and sustained by long-distance trading routes. The Mississippi River served as an important trade artery, but all of the continent’s waterways were vital to transportation and communication. Cahokia became a key trading center ...
when Spanish dances were an entire genre of country dances in waltz time, and both they and ordinary waltz country dances featured this figure, sometimes under the names "poussette" or "waltze". I expect it goes even further back on the European continent, but I haven't yet pursued that...