Geology flashcard

Front

What are the main characteristics of the Mesozoic era?

Back

The Mesozoic era is characterized by the dominance of dinosaurs, the emergence of mammals and birds, and significant geological changes.

Front

What is the oldest Eon in geological time?

Back

The oldest Eon is the Hadean Eon, which is approximately 4.5 billion years old.

Front

What is absolute dating in geology?

Back

Absolute dating is a method used to determine the actual age of an object or event.

Front

In which era did sea floor spreading begin?

Back

Sea floor spreading began in the Mesozoic Era.

Front

What does the term 'strata' refer to in geology?

Back

Strata refers to layers or levels in geology.

Front

What significant events occurred during the Mesozoic era?

Back

Significant events during the Mesozoic era include the rise and fall of dinosaurs, the development of flowering plants, and major tectonic shifts.

Front

What is the significance of the Hadean Eon in Earth's history?

Back

The Hadean Eon marks the formation of the Earth and the development of its initial crust, atmosphere, and oceans.

Front

How does absolute dating differ from relative dating?

Back

Absolute dating provides a specific age for an object or event, while relative dating places events in chronological order without exact dates.

Front

What geological processes are associated with the Mesozoic era?

Back

Geological processes during the Mesozoic era include continental drift, volcanic activity, and the formation of mountain ranges.

Front

What types of organisms emerged during the Mesozoic era?

Back

During the Mesozoic era, dinosaurs dominated, and mammals and birds began to emerge.