Using Technology to Investigate the Past (HSC SSCE Biology): Flashcards

📚Flashcards
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Using Technology to Investigate the Past
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

10 cards from this deck

Show

Radiometric dating

Method to determine age of fossils, rocks, and minerals

Best rocks for radiometric dating

Igneous and metamorphic rocks

Half-life (t1/2t_{1/2})

Time for half of radioactive sample to decay

SHRIMP acronym

Sensitive High Resolution Ion Microprobe

Mineral dated by SHRIMP

Zircon

Age of oldest rocks on Earth

4.4 billion years old

Carbon-14 dating age limit

50,000 years

Why can't sedimentary rocks be dated radiometrically?

Contain mixed samples from different sources

Enhanced greenhouse effect

Increased warming from more greenhouse gases

18O/16O^{18}\text{O}/^{16}\text{O} ratio indicates

Ancient water temperatures

Explore HSC SSCE Biology Revision Notes by Topics

Population Dynamics

Past Ecosystems

Future Management of Ecosystems

Explore HSC SSCE Biology Model Answers by Topics

Population Dynamics

Past Ecosystems

Future Management of Ecosystems

Explore HSC SSCE Biology Quizzes by Topics

Population Dynamics

Past Ecosystems

Future Management of Ecosystems

Explore HSC SSCE Biology Exam Questions by Topics

Population Dynamics

Past Ecosystems

Future Management of Ecosystems

Join 100,000+ SSCE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.