Back to the full dot-point answer
EnglandGeologyQuick questions
Module 2 and 4: Fossils and time; Interpreting the past
Quick questions on Fossils, preservation and index fossils: preservation modes and the properties of a good zone fossil - OCR A-Level Geology
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are index (zone) fossils?Show answer
An index (zone) fossil is used to date and correlate rocks. A good one has four properties:
What is q1?Show answer
State two conditions that favour the preservation of a fossil. [2 marks]
What is q2?Show answer
Explain why a short stratigraphic range makes a fossil a good index fossil. [2 marks]
What is q3?Show answer
Distinguish a body fossil from a trace fossil. [2 marks]
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.