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GEOLOGICAL TIME

Dating the Earth
Stratigraphy and Sequences
Visualising deep time

DATING THE EARTH

Title & Description English More Ideas and Videos
Dating the Earth – before the discovery of radioactivity
Charles Lyell and Mount Etna, 1828
Dating the Earth - Charles Lyell and Mount Etna 1828  
Dating the Earth – But how old is it?
Investigating radioactive dating of rocks and minerals
Radioactive dating Video
Working out the age of the Earth - moving backwards as time moved forwards
Link up your own timeline of how scientists worked out the age of the Earth
Age of the Earth  

STRATIGRAPHY & SEQUENCES

Title & Description English More Ideas and Videos
Filling the gap – picturing the unconformity ‘abyss of time’?
Working out what happened during unconformity time gaps
Filling the gap  
Laying down the principles
Sequencing the events that form rocks through applying stratigraphic principles
Laying down the principles  
Walther’s law of sedimentation – teaching it the LegoTM way
How does a relative rise in sea level affect a vertical sequence of sediments?
Walther’s law of sedimentation (ELI+)  
What happened when?: sorting out sequences using stratigraphical concepts
Are the age-based stratigraphical concepts principles or laws? – and how do you use them?
What happened when?  
What might be the marker for the ‘golden spike’ at the end of the Anthropocene? (ELI+)
How is geological time subdivided and what are likely future human impacts on the Earth?
Geological time and the Anthropocene?  
Where shall we drill for oil?
Sorting out the sequence - oil prospect
Where shall we drill for oil?  

VISUALISING DEEP TIME

Title & Description English More Ideas and Videos
Back in time “Alligators spotted in London” @ELI_Earth - July 1
Retrieving and communicating information
Back in time  
How many for a million?
How many sheets of graph paper for 1 million, or 100 million, or 1000 million squares?
How many for a million?  
How long does it take?
Sorting out Earth events according to the time they take
How long does it take?  
What is the geological history?
Sequencing events to reveal a history using simple stratigraphic principles
What is the geological history? Extension