Over the past century a number of models have been developed to explain the vast
stratigraphic distribution of authigenic dolomite. These models include hydrogeological …

Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

Here we review published studies on the abundance and diversity of terrestrial rock-hosted
life, the environments it inhabits, the evolution of its metabolisms, and its fossil biomarkers to …

The hadal zone, mostly comprising of deep trenches and constituting of the deepest part of
the world's oceans, represents the least explored habitat but one of the last frontiers on our …

A long-standing unresolved problem in understanding Earth's deep carbon cycle is whether
crustal carbon is recycled beyond arc depths. While isotopic signatures of eclogitic …

Archaean hydrothermal chert veins commonly contain abundant organic carbon of uncertain
origin (abiotic vs. biotic). In this study, we analysed kerogen contained in a hydrothermal …

The fate of subducted crustal nitrogen (N) in modern-style subduction zones remains hotly
debated from nearly complete return to the surface via arc volcanoes to net ingassing into …

The deep biosphere of the subseafloor crust is believed to contain a significant part of
Earth's biomass, but because of the difficulties of directly observing the living organisms, its …

The deep biosphere of subseafloor basalts is thought to consist of mainly prokaryotes
(bacteria and archaea). Here we report fossilized filamentous microorganisms from …

In recent years the igneous oceanic crust has been recognized as a substantial microbial
habitat and a scientific frontier within Geology, Biology, and Oceanography. A few successful …