Age of the Earth research. Most geological samples from Earth are unable to give a direct date of the formation of Earth from the solar nebula because Earth has undergone differentiation into the core, mantle, and crust, and this has then undergone a long history of mixing and unmixing of these sample reservoirs by plate tectonics, weathering and hydrothermal circulation. All of these processes may adversely affect isotopic dating mechanisms because the sample cannot always be assumed to have remained as a closed system, by which it is meant that either the parent or daughter nuclide (a species of atom characterised by the number
The Tide and Its Takers The Tide and Its Takers The Tide and Its Takers is the fourth studio album by Alaskan metalcore band 36 Crazyfists. It was released on . The band filmed a music video for the album's first single, "We Gave It Hell", with director Soren, who has previously worked with the likes of Behemoth and Unearth. The video was released on YouTube on . The album reached number 155 on the "Billboard" 200 in its first week as well as number four on the Top Heatseekers, number 23 on the Hard Rock Albums, and number 11 on the Independent Albums chart.