WebNineteen-sixties (1960–1969) Nineteen-seventies (1970–1979) Nineteen-eighties (1980–1989) Nineteen-nineties (1990–1999) Two-thousands (2000–2009) Twenty-tens (2010–2024) Twenty-twenties (2024–2029) Twenty-thirties (2030─2039) Twenty-forties (2040─2049) Twenty-fifties (2050─2059) Twenty-sixties (2060─2069) Twenty-seventies … The geologic time scale is a way of representing deep time based on events that have occurred throughout Earth's history, a time span of about 4.54 ± 0.05 Ga (4.54 billion years). It chronologically organizes strata, and subsequently time, by observing fundamental changes in stratigraphy that correspond … See more The geologic time scale, or geological time scale, (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to … See more The GTS is divided into chronostratigraphic units and their corresponding geochronologic units. These are represented on the ICC published by the ICS; however, regional terms are still in use in some areas. Chronostratigraphy … See more Proposed Anthropocene Series/Epoch First suggested in 2000, the Anthropocene is a proposed epoch/series for the most recent time in … See more Some other planets and satellites in the Solar System have sufficiently rigid structures to have preserved records of their own histories, for example, Venus, Mars and the Earth's Moon. Dominantly fluid planets, such as the gas giants, do not comparably preserve their … See more Early history While a modern geological time scale was not formulated until 1911 by Arthur Holmes, the broader concept that rocks and time are related can be traced back to (at least) the philosophers of Ancient Greece. Xenophanes of Colophon See more The following table summarises the major events and characteristics of the divisions making up the geologic time scale of Earth. This table is arranged with the most recent geologic periods at the top, and the oldest at the bottom. The height of each table entry does not … See more • Geology portal • Age of the Earth • Cosmic calendar • Deep time See more
Historical Eras: List of Major Time Periods in History
WebJul 19, 2024 · They use these resources to divide human existence into five main historical eras: Prehistory, Classical, Middle Ages, Early Modern, and Modern eras. Keep reading to learn the main civilizations, technological achievements, important historical figures, and significant events during these major time periods in history. Prehistory (to 600 B.C.) WebFeb 17, 2024 · 443 million Years Ago. Graptolites of the Ordovician period. Image credit Aunt Spray via Shutterstock. The Ordovician-Silurian period saw earth's first mass … fly to yuma az
Timeline of glaciation - Wikipedia
WebOct 5, 2024 · One way to distinguish and define each segment of time is by the occurrence of major geologic events and the appearance (and disappearance) of significant life … WebJul 20, 1998 · Geologic time is, in effect, that segment of Earth history that is represented by and recorded in the planet’s rock strata. The geologic … fly tp753