BOULDER, Colorado, April 6 -- Geosphere, a journal on geosciences from the Geological Society of America, published research articles on the following topics in its April 2023 edition:

* Compositions and ages of Early Cretaceous volcanic and plutonic rocks in central Tibet: Insights into the magmatic and uplift response to slab breakoff

* Differentiation of an upper crustal magma reservoir via crystal-melt separation recorded in the San Gabriel pluton, central Chile