Was there land on the early Earth?
J Korenaga - Life, 2021 - mdpi.com
The presence of exposed land on the early Earth is a prerequisite for a certain type of
prebiotic chemical evolution in which the oscillating activity of water, driven by short-term …
prebiotic chemical evolution in which the oscillating activity of water, driven by short-term …
Aqueous microdroplets enable abiotic synthesis and chain extension of unique peptide isomers from free amino acids
DT Holden, NM Morato… - Proceedings of the …, 2022 - National Acad Sciences
Amide bond formation, the essential condensation reaction underlying peptide synthesis, is
hindered in aqueous systems by the thermodynamic constraints associated with …
hindered in aqueous systems by the thermodynamic constraints associated with …
From stars to diverse mantles, melts, crusts, and atmospheres of rocky exoplanets
CM Guimond, H Wang, F Seidler… - … in Mineralogy and …, 2024 - pubs.geoscienceworld.org
The advent of radial velocity (RV) and transit photometry method has resulted in the
detection of more than 5000 exoplanets since 1995. Of these detected planets, a significant …
detection of more than 5000 exoplanets since 1995. Of these detected planets, a significant …
Marine phosphate availability and the chemical origins of life on Earth
Prebiotic systems chemistry suggests that high phosphate concentrations were necessary to
synthesise molecular building blocks and sustain primitive cellular systems. However …
synthesise molecular building blocks and sustain primitive cellular systems. However …
On the paragenetic modes of minerals: A mineral evolution perspective
RM Hazen, SM Morrison - American Mineralogist, 2022 - degruyter.com
A systematic survey of 57 different paragenetic modes distributed among 5659 mineral
species reveals patterns in the diversity and distribution of minerals related to their evolving …
species reveals patterns in the diversity and distribution of minerals related to their evolving …
Plate motion and a dipolar geomagnetic field at 3.25 Ga
AR Brenner, RR Fu… - Proceedings of the …, 2022 - National Acad Sciences
The paleomagnetic record is an archive of Earth's geophysical history, informing
reconstructions of ancient plate motions and probing the core via the geodynamo. We report …
reconstructions of ancient plate motions and probing the core via the geodynamo. We report …
How did the continental crust form: No basalt, no water, no granite
N Arndt - Precambrian Research, 2023 - Elsevier
The process that generated the continental crust has long been debated. One school argues
that, through most of geological time, the crust formed at convergent margins like most …
that, through most of geological time, the crust formed at convergent margins like most …
A framework for the origin and deep cycles of volatiles in rocky exoplanets
R Dasgupta, D Pathak… - Reviews in Mineralogy …, 2024 - pubs.geoscienceworld.org
Since the first discovery of planets in another solar system of our galaxy in the early 90s and
the discovery of 51 Pegassi b, a Jovian-type planet around a Sun-like star in 1995 (Mayor …
the discovery of 51 Pegassi b, a Jovian-type planet around a Sun-like star in 1995 (Mayor …
Large impacts onto the early Earth: Planetary sterilization and iron delivery
RI Citron, ST Stewart - The Planetary Science Journal, 2022 - iopscience.iop.org
Late accretion onto the Hadean Earth included large impacts that could have influenced
early habitability, either by sterilizing the planet or alternatively catalyzing the origin of life by …
early habitability, either by sterilizing the planet or alternatively catalyzing the origin of life by …
[HTML][HTML] Hydrous silicate melts and the deep mantle H2O cycle
We report ab initio atomistic simulations of hydrous silicate melts under deep upper mantle
to shallow lower mantle conditions and use them to parameterise density and viscosity …
to shallow lower mantle conditions and use them to parameterise density and viscosity …