Posted on September 21, 2022 (Updated on July 9, 2025)
What are igneous rocks How are they formed?
Regional SpecificsAsked by: Shane Stacks Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface. What are igneous rocks How are they formed Class 7? Igneous rocks are defined as types
Posted on September 21, 2022 (Updated on July 9, 2025)
Can San Andreas happen?
Regional SpecificsAsked by: Gregory Gonzalez No. Seismologist Lucy Jones says that the level of destruction is over-the-top (The Hollywood Reporter). New buildings are designed to be able to withstand large scale quakes, at least to enough of a degree that people would be able to escape. When San Andreas will happen? Narrator: On average, the San
Posted on September 20, 2022 (Updated on July 9, 2025)
What part of Puerto Rico did the earthquake hit?
Regional SpecificsAsked by: Kelly Brinson The largest earthquake in Puerto Rico: today: 2.5 in Tallaboa, Penuelas, Puerto Rico. Where was the earthquake damage in Puerto Rico? The hardest hit towns were Guánica, Utuado, Guayanilla, Peñuelas, Ponce and Yauco. The governor authorized $2 million in assistance to support these towns. In the town of Guayanilla, a picturesque
Posted on September 20, 2022 (Updated on July 9, 2025)
What is limestone composed of?
Regional SpecificsAsked by: Mike Mohamed Limestone is a sedimentary rock that is dominantly composed of the calcium-bearing carbonate minerals calcite and dolomite. Calcite is chemically calcium carbonate (formula CaCO3). Dolomite is chemically calcium-magnesium carbonate (formula CaMg(CO3)2). What is most limestone formed from? Most limestone layers formed from marine sediment deposited on sea floors, although some formed
Posted on September 20, 2022 (Updated on July 9, 2025)
What is the continental crust made of?
Regional SpecificsAsked by: Susan Brown Continental Crust Continental crust is mostly composed of different types of granites. Geologists often refer to the rocks of the continental crust as “sial.” Sial stands for silicate and aluminum, the most abundant minerals in continental crust. What is a continental crust? continental crust, the outermost layer of Earth’s lithosphere that
Posted on September 20, 2022 (Updated on July 9, 2025)
Which minerals contain the two most abundant elements by mass in Earth’s crust?
Regional SpecificsAsked by: Stephanie Green Silicates. Silicate minerals contain silicon (Sisilicon (SiPhosphasilenes or silylidenephosphanes are a class of compounds with silicon-phosphorus double bonds. Since the electronegativity of phosphorus (2.1) is higher than that of silicon (1.9), the “Si=P” moiety of phosphasilene is polarized. Which minerals contain the two most abundant element by mass in earths crust?