Tracing wedge-internal deformation by means of strontium isotope systematics of vein carbonates
نویسندگان
چکیده
Abstract Radiogenic strontium isotopes ( 87 Sr/ 86 Sr) of vein carbonates play a central role in the tectonometamorphic study fold-and-thrust belts and accretionary wedges have been used to document fluid sources fluxes, for example, along major fault zones. In addition, Sr ratios can trace diagenetic metamorphic evolution pore fluids accreted sediments. Here we present from Infrahelvetic flysch units European Alps (Glarus Alps, Switzerland), which were North Alpine belt during early stages continental collision. We show that isotopic an initial seawater-like signature towards composition host rock with increasing grade. This relationship reflects progressive equilibration allows us constrain low-grade conditions deformation events, including bedding-parallel shearing, imbricate thrusting, folding, cleavage development, tectonic mélange formation extension. The isotope systematics provides new insights into prograde retrograde helps understand relative timing events.
منابع مشابه
Strontium concentration, radiogenic (Sr/Sr) and stable (δSr) strontium isotope systematics in a controlled feeding study
Transhumance and palaeodiet are two central themes in archaeology and using chemical analysis of bones and teeth to reconstruct trends and patterns in diet and mobility has become a cornerstone of bioarchaeology. This study has investigated strontium concentration ([Sr]), radiogenic (Sr/Sr) and stable strontium (δSr) isotope systematics in a controlled feeding experiment on domestic pigs design...
متن کاملSTRONTIUM ISOTOPE SYSTEMATICS OF COAL UTILIZATION BYPRODUCTS AND THEIR INTERACTIONS WITH ENVIRONMENTAL WATERS by
متن کامل
control of the optical properties of nanoparticles by laser fields
در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...
15 صفحه اولOsmium isotope systematics of ureilites
The Os/Os for 22 ureilite whole rock samples, including monomict, augite-bearing, and polymict lithologies, were examined in order to constrain the provenance and subsequent magmatic processing of the ureilite parent body (or bodies). The Re/Os ratios of most ureilites show evidence for a recent disturbance, probably related to Re mobility during weathering, and no meaningful chronological info...
متن کاملApplication of Strontium Isotope Analysis of Bone and Tooth in the Study of Ancient Immigrations
One of the important questions of archaeology is the study of the mobility and immigration of human groups. A common method for addressing these issues is to refer to the artifacts and archaeological findings left behind by the earlier cultures and to compare the forms, motifs, and production methods used among various ancient cultures, and hence, to explore the relationships and cultural excha...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Geological Magazine
سال: 2022
ISSN: ['1469-5081', '0016-7568']
DOI: https://doi.org/10.1017/s0016756821001357