Anna Bidgood
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View article: A microstructural signature of the coesite-quartz transformation: New insights from high-pressure experiments and EBSD
A microstructural signature of the coesite-quartz transformation: New insights from high-pressure experiments and EBSD Open
Ultra-high pressure (UHP) metamorphism is difficult to identify in continental crust as few petrological barometers are suitable for dominantly felsic lithologies. In such cases, burial to extreme depths is commonly identified through the …
View article: The Geodynamic Significance of Continental UHP Exhumation: New Constraints From the Tso Morari Complex, NW Himalaya
The Geodynamic Significance of Continental UHP Exhumation: New Constraints From the Tso Morari Complex, NW Himalaya Open
The burial and exhumation of continental crust to and from ultrahigh‐pressure (UHP) is an important orogenic process, often interpreted with respect to the onset and/or subduction dynamics of continent‐continent collision. Here, we investi…
View article: Allanite U–Pb dating places new constraints on the high‐pressure to high‐temperature evolution of the deep Himalayan crust
Allanite U–Pb dating places new constraints on the high‐pressure to high‐temperature evolution of the deep Himalayan crust Open
During continental collision, crustal rocks are buried, deformed, transformed and exhumed. The rates, timescales and tectonic implications of these processes are constrained through the sequence and conditions of metamorphic reactions in m…
View article: The geodynamic significance of UHP exhumation: New constraints from Tso Morari Complex, NW Himalaya
The geodynamic significance of UHP exhumation: New constraints from Tso Morari Complex, NW Himalaya Open
The burial and exhumation of continental crust to and from ultrahigh-pressure (UHP) is an important orogenic process, often interpreted with respect to the onset and/or subduction dynamics of continent-continent collision. Here, we investi…
View article: The EDIG project: a grassroots initiative working to address systemic inequities in geoscience on a global scale
The EDIG project: a grassroots initiative working to address systemic inequities in geoscience on a global scale Open
In early 2020, a group of geoscientists and other experts came together, within the framework of the Irish Centre for Research in Applied Geoscience (iCRAG), to learn about the challenges experienced by researchers in iCRAG, and to identif…
View article: The emplacement, alteration, subduction and metamorphism of metagranites from the Tso Morari Complex, Ladakh Himalaya
The emplacement, alteration, subduction and metamorphism of metagranites from the Tso Morari Complex, Ladakh Himalaya Open
Eclogite-facies mineral assemblages are commonly preserved in mafic protoliths within continental terranes. It is widely accepted that the entirety of these continental terrains must also have been subducted to eclogite-facies conditions. …
View article: New models to aid the discovery of critical raw material deposits for the Green Stone Age
New models to aid the discovery of critical raw material deposits for the Green Stone Age Open
Critical raw materials (CRMs) will be crucial for delivery of the technologies society requires to meet its decarbonization goals and successfully address the current climate crisis. Although there are a number of well-established ore depo…
View article: EPMA dataset - Tso Morari granites
EPMA dataset - Tso Morari granites Open
Accompanying datatset for publiication entitled "The emplacement, alteration, subduction and metamorphism of metagranites from the Tso Morari complex, Ladakh Himalaya" Thin sections were made from 11 macroscopically undeformed granite samp…
View article: EPMA dataset - Tso Morari granites
EPMA dataset - Tso Morari granites Open
Accompanying datatset for publiication entitled "The emplacement, alteration, subduction and metamorphism of metagranites from the Tso Morari complex, Ladakh Himalaya" Thin sections were made from 11 macroscopically undeformed granite samp…
View article: Equality, Diversity, and Inclusion in Geoscience (EDIG) initiative: A time to listen, learn, and act.
Equality, Diversity, and Inclusion in Geoscience (EDIG) initiative: A time to listen, learn, and act. Open
<p>The Equality, Diversity, and Inclusion in Geoscience (EDIG) initiative was created to better understand the experiences of the geoscience community with respect to prejudice, inequity, bias, exclusion, sexism, and discrimination. …
View article: EBSD‐based criteria for coesite‐quartz transformation
EBSD‐based criteria for coesite‐quartz transformation Open
Ultra high pressure (UHP) metamorphism observed in continental terranes implies that continental crust can subduct to ~40 kbar before exhuming to the surface. This process is one of the least understood and widely debated parts of the orog…
View article: The petrology and transformation history of continental crust in the Tso Morari complex, Ladakh, Himalaya
The petrology and transformation history of continental crust in the Tso Morari complex, Ladakh, Himalaya Open
Ultrahigh-pressure (UHP) metamorphism has long been associated with deep subduction. UHP minerals, such as coesite and microdiamond, are often found in discrete mafic units, hosted in larger scale continental terranes, such as in the mafic…