Podcast
Questions and Answers
What type of reef structure is typically characterized by a wave-resistant topographic feature?
What type of reef structure is typically characterized by a wave-resistant topographic feature?
- Paleozoic (Early Permian) reef
- Phylloid algae and bryozoa structures
- Biostrome
- Bioherms (correct)
Which of the following statements about the carbonate-producing organisms is NOT true?
Which of the following statements about the carbonate-producing organisms is NOT true?
- Stromatolites are structures formed by algae throughout the geologic record. (correct)
- Mesozoic reefs were dominated by rudistids and corals.
- Present-day reefs are dominated by corals and red algae.
- The carbonate-producing organisms have varied through time.
What is the primary characteristic of a rimmed shelf carbonate platform?
What is the primary characteristic of a rimmed shelf carbonate platform?
- Isolated platform like the Great Bahama Bank
- Rapid carbonate production of 1-100 mm/y
- Presence of oolite shoals and tidal bars
- Pronounced break in slope (correct)
Where are corals typically located on a carbonate platform?
Where are corals typically located on a carbonate platform?
What is the primary difference between a bioherm and a biostrome?
What is the primary difference between a bioherm and a biostrome?
How has the skeletal carbonate mineralogy of reef-building organisms varied through time?
How has the skeletal carbonate mineralogy of reef-building organisms varied through time?
What environmental factor favors carbonate production in the sea?
What environmental factor favors carbonate production in the sea?
Which of the following is NOT a component typically found in Reef formations?
Which of the following is NOT a component typically found in Reef formations?
What type of coral dominates in high energetic environments?
What type of coral dominates in high energetic environments?
Which direction is some of the carbonate transported on the shelf from the sea?
Which direction is some of the carbonate transported on the shelf from the sea?
What type of sedimentary environment typically forms on land from carbonate transported from the sea?
What type of sedimentary environment typically forms on land from carbonate transported from the sea?
What is a key characteristic of reef formations in terms of topography?
What is a key characteristic of reef formations in terms of topography?