How Palaeontologists Work
Describe how palaeontologists work in the field and lab: prospecting for exposed fossils, careful excavation with hand tools, plaster jacketing for transport, preparation in the lab, and scientific description and publication
What a learner can do afterwards
- List the main stages: prospecting, excavation, jacketing, transport, preparation, study, display
- Explain why careful excavation with small tools is necessary to avoid damaging the fossil
- Describe plaster jacketing as wrapping fossils in plaster for safe transport to a lab
The lesson
Finding a fossil is only the start. A palaeontologist follows many careful steps before that fossil ever reaches a museum case.
The first step is prospecting: walking over rocky ground, often in deserts or badlands, and scanning the rock for bits of bone poking out. Wind and rain wear the rock away over time, slowly uncovering fossils that were buried long ago.
When Elena's team found a leg bone sticking out of a hillside, they did not grab shovels. They knelt down with small picks and soft brushes and worked for days, clearing rock crumb by crumb so the bone would not crack.
Once a fossil is loose enough to lift, it gets a plaster jacket: cloth strips dipped in wet plaster and wrapped around it, like a cast on a broken arm. This keeps the fossil safe on the bumpy ride to the lab, where it is cleaned, studied, and written up before anyone sees it on display.
A fossil travels through many careful stages, from being spotted in the rock to standing in a museum case.
Watch it
Where it sits
Where this leads
Jobs that lean on this skill. Follow one to see everything it is built on.
8 questions wait behind this lesson, each with its answer explained. Every answer feeds the sky: stars light as they are learned, and dim when it is time to come back.