The golden spike debate
The era of technofossils
The great acceleration
Designing the future
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Master of How humans rewrote Earth's rock history
007skaty The Golden Spike Debate
Golden spike, golden spike, We changed the Earth but they said no.
007skaty In 2023, scientists selected Ontario's meromictic Crawford Lake because its annual varves clearly preserve radioactive plutonium-239 from early
007skaty Animated characters search through colorful sediment layers for a golden spike.
007skaty Place the golden spike in Earth's timeline to discover when the Anthropocene epoch began.
Golden spikes: The actual geological marker is not made of gold, but is usually a bronze plaque or steel disc hammered directly into a rock face.
A physical reference point in geological strata that officially defines the boundary between two different epochs. In 2023, scientists proposed Canada's Crawford Lake as the marker for the new human-dominated epoch.
Which Nobel Prize-winning atmospheric chemist popularized the term 'Anthropocene' in the year 2000?
Why did scientists propose Crawford Lake in Canada as the primary marker section for the Anthropocene?
What does the geological term GSSP stand for when defining the boundary of a new time period?
What unique physical feature of Crawford Lake prevents its bottom waters and sediment layers from mixing with the surface?
How do geologists physically mark an agreed-upon boundary between two geological time periods in the real world?
What is the geological name of the current, official epoch that began after the last Ice Age around 11,700 years ago?
What radioactive element, released during atmospheric nuclear bomb tests in the mid-20th century, is used as a primary marker for the Anthropocene?