Scientists Reconstruct What the Gibraltar Arc Was Like 9 Million Years Ago
The researchers have been able to prove that, since then, large blocks of land, with sizes of about 300 kilometers long and 150 kilometers wide, have rotated clockwise (in the case of the Baetic System mountain range) and counterclockwise (in the case of the Rif mountain range, in the north of Morocco).
Said movements have completely reshaped the Gibraltar Arc, since they have been carried out at a very high speed: 6 degrees per million years (in total, 53 degrees for the block of the Western Baetic System), and are compatible with both the opening of the Strait of Gibraltar about 5 million years ago as with the current movements measured with GPS.
As Ana Crespo-Blanc, professor from the Department of Geodynamics at the UGR and lead researcher of the project, explains, the Gibraltar Arc is a geological region corresponding to the arched mountain range that surrounds the sea of Alborán (located between the Iberian peninsula and Africa), and it is formed by the Baetic System (south of Spain), the Strait of Gibraltar and the Rif (north of Morocco).
The team of geologists, belonging to the universities of Granada, Pablo de Olavide (Seville) and the Andalusian Earth Sciences Institute (IACT from its abbreviation in Spanish), has analyzed the existing connection between the different episodes of deformation that the Baetic and Rif mountain ranges have suffered (which include folds and ridges), as well as the paleomagnetism data of previous publications.
“This work, published in the journal Tectonophysics, is the first in the world that shows both the homogeneity of block rotations and the speed of said rotations for the Gibraltar Arc. It allows to reconcile many apparently contradictory data, particularly in relation to the kinematic markers of the movements associated with large geological structures such as faults systems 9 million years ago”, professor Crespo-Blanc explains.
Their research culminates with a reconstruction of the Gibraltar Arc 9 million years ago, at a key moment in the tectonic history of the collision between Africa and Iberia, shortly before the closure of the connection between the Atlantic and the Mediterranean and when the Gibraltar Arc was situated more to the East than at present.Contacts and sources:
Ana Crespo Blanc
University of Granada
Citation: Clues for a Tortonian reconstruction of the Gibraltar Arc: Structural pattern, deformation diachronism and block rotations http://dx.doi.org/10.1016/j.tecto.2016.05.045
Source: http://www.ineffableisland.com/2017/01/scientists-reconstruct-what-gibraltar.html
Anyone can join.
Anyone can contribute.
Anyone can become informed about their world.
"United We Stand" Click Here To Create Your Personal Citizen Journalist Account Today, Be Sure To Invite Your Friends.
Humic & Fulvic Liquid Trace Mineral Complex
HerbAnomic’s Humic and Fulvic Liquid Trace Mineral Complex is a revolutionary New Humic and Fulvic Acid Complex designed to support your body at the cellular level. Our product has been thoroughly tested by an ISO/IEC Certified Lab for toxins and Heavy metals as well as for trace mineral content. We KNOW we have NO lead, arsenic, mercury, aluminum etc. in our Formula. This Humic & Fulvic Liquid Trace Mineral complex has high trace levels of naturally occurring Humic and Fulvic Acids as well as high trace levels of Zinc, Iron, Magnesium, Molybdenum, Potassium and more. There is a wide range of up to 70 trace minerals which occur naturally in our Complex at varying levels. We Choose to list the 8 substances which occur in higher trace levels on our supplement panel. We don’t claim a high number of minerals as other Humic and Fulvic Supplements do and leave you to guess which elements you’ll be getting. Order Your Humic Fulvic for Your Family by Clicking on this Link , or the Banner Below.
Our Formula is an exceptional value compared to other Humic Fulvic Minerals because...
It’s OXYGENATED
It Always Tests at 9.5+ pH
Preservative and Chemical Free
Allergen Free
Comes From a Pure, Unpolluted, Organic Source
Is an Excellent Source for Trace Minerals
Is From Whole, Prehisoric Plant Based Origin Material With Ionic Minerals and Constituents
Highly Conductive/Full of Extra Electrons
Is a Full Spectrum Complex
Our Humic and Fulvic Liquid Trace Mineral Complex has Minerals, Amino Acids, Poly Electrolytes, Phytochemicals, Polyphenols, Bioflavonoids and Trace Vitamins included with the Humic and Fulvic Acid. Our Source material is high in these constituents, where other manufacturers use inferior materials.
Try Our Humic and Fulvic Liquid Trace Mineral Complex today. Order Yours Today by Following This Link.
| Online: | |
| Visits: | 1,613,009,787 |
| Stories: | 8,178,777 |
Whistler Blowers, Insiders
What a crock, nice CGI image from NASA, fake pictures and fake “science”.