Lava flows can form different types of deposits depending on their composition and cooling conditions. Here’s a brief overview of the options presented:

1. **Pumice**: This is a light, porous volcanic rock that typically forms from explosive eruptions, where gas bubbles are trapped in the cooling lava. However, it does not primarily result from lava flows.

2. **Basalt**: This is a common volcanic rock that forms from the rapid cooling of basaltic lava, which is fluid and can flow over long distances. Basalt is often the primary deposit from cooled lava flows.

3. **Ignimbrite**: This type of deposit typically results from the pyroclastic flows of explosive eruptions rather than from the direct cooling of lava flows.

4. **Ash**: Volcanic ash consists of small particles that are ejected during explosive eruptions. It is not formed directly from lava flows.

### Final Answer
The correct answer is **Basalt**, as it is the type of deposit that forms from the cooling of a lava flow.

Question

Lava flows can form different types of deposits depending on their composition and cooling conditions. Here’s a brief overview of the options presented:

1. **Pumice**: This is a light, porous volcanic rock that typically forms from explosive eruptions, where gas bubbles are trapped in the cooling lava. However, it does not primarily result from lava flows.

2. **Basalt**: This is a common volcanic rock that forms from the rapid cooling of basaltic lava, which is fluid and can flow over long distances. Basalt is often the primary deposit from cooled lava flows.

3. **Ignimbrite**: This type of deposit typically results from the pyroclastic flows of explosive eruptions rather than from the direct cooling of lava flows.

4. **Ash**: Volcanic ash consists of small particles that are ejected during explosive eruptions. It is not formed directly from lava flows.

### Final Answer
The correct answer is **Basalt**, as it is the type of deposit that forms from the cooling of a lava flow.

Knowee AI · Accepted Answer

Lava flows can form different types of deposits depending on their composition and cooling conditions. Here’s a brief overview of the options presented:

1. **Pumice**: This is a light, porous volcanic rock that typically forms from explosive eruptions, where gas bubbles are trapped in the cooling lava. However, it does not primarily result from lava flows.

2. **Basalt**: This is a common volcanic rock that forms from the rapid cooling of basaltic lava, which is fluid and can flow over long distances. Basalt is often the primary deposit from cooled lava flows.

3. **Ignimbrite**: This type of deposit typically results from the pyroclastic flows of explosive eruptions rather than from the direct cooling of lava flows.

4. **Ash**: Volcanic ash consists of small particles that are ejected during explosive eruptions. It is not formed directly from lava flows.

### Final Answer
The correct answer is **Basalt**, as it is the type of deposit that forms from the cooling of a lava flow.

What type of deposit can form from the cooling of a lava flow? Group of answer choicesPumiceBasaltIgnimbriteAsh

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