What landforms are formed by volcanoes?
GeologyKey Concept:Volcanic eruptions create landforms made of lava, ash, and other materials. These landforms include shield volcanoes, cinder cone volcanoes, composite volcanoes, and lava plateaus. A shield volcano is a gently sloping mountain. It forms when a volcano erupts quietly. What are the 3 main types of volcanic landforms? The three types are composite volcanoes,
Do continents fit like a puzzle?
GeologyThe shapes of continents fit together like a puzzle. Just look at the east coast of South America and the west coast of Africa—it’s almost a perfect fit! Identical rocks have been found on different continents. These rocks formed millions of years ago, before the continents separated. Do all continents fit like a puzzle? About
What country has no active volcanoes?
GeologyWhat country has no active volcanoes? Even though Australia is home to nearly 150 volcanoes, none of them has erupted for about 4,000 to 5,000 years! The lack of volcanic activity is due to the island’s location in relation to a tectonic plate, the two layers of the Earth’s crust (or lithosphere). Why there are
What can you do on the coastal range?
GeologyWhat can you do at the coastal region? What to do in Coastal Region Bike Tour to Miraflores and Barranco. Barranco Culinary & Art Experience. Lima Surf Trip. Full day to visit Ballestas islands and Huacachina oasis pick up from Lima. What does the coastal range include? The Coast Range is actually a series of
How can you tell the difference between limestone and marble?
GeologyMarble is a metamorphic rock, and limestone is a sedimentary rock. Limestone is more porous than marble, which is much harder. Limestone has white, gray and black colors, while marble comes in more diverse colors, from green to very light. How can you tell marble from limestone? Marble is usually light colored and is composed
How do tube worms move?
GeologyAlthough the worms have no eyes, they can sense movement and vibrations and will retreat into their protective tubes when threatened. Giant tube worms reproduce by releasing their eggs into the water to be fertilized. After hatching, the young larvae swim down and attach themselves to rocks. How do tube worms work? The tubeworms’ feather-like
Was there an earthquake in San Jose yesterday?
GeologyThere were no significant confirmed earthquakes in or near City of San Jose in the past 24 hours. Was there an earthquake last night in San Jose CA? San Jose Earthquake FAQ The last earthquake in San Jose occurred 8 hours ago: Minor mag. 1.1 earthquake – 9km NE of San Martin, CA, on Thursday,
How do bryozoans feed?
GeologyBryozoans feed on plankton and bacteria by sweeping the surrounding water with their lophophore. They are mainly eaten by nudibranchs (sea slugs) and sea spiders. Are bryozoans filter feeders? Bryozoa(Polyzoa/ Ectoprocta/ moss animals) are filter feeders that sieve food particles out of the water using a retractable lophophore, a “crown” of tentacles lined with cilia.
Why is it impossible to find quartz and olivine in the same rock?
GeologyIn yet other cases there is a true chemical incompatibility. It is because of this that quartz is never found with olivine, corundum, sodalite or lazurite. These minerals are just not chemically stable together. Can quartz and olivine be in the same rock explain? Bowen’s Reaction Series points out that there are commonly occurring mineral
What is Pennsylvania’s state mineral?
GeologyTable of minerals, rocks, stones and gemstones State federal district or territory Mineral Rock or stone Oklahoma Crystal: Hourglass selenite (2005) Rose rock (Barite) Oregon State Twin Minerals: Oregonite (2013) and Josephinite (2013) Thunderegg (1965) Pennsylvania Rhode Island Bowenite serpentine (1966) Cumberlandite (1966) What mineral is Pennsylvania known for? American geologists recognized the importance of