Acocording to the silica (SiO2) content, what categories can the igneous rocks divide into?
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Acocording to the silica (SiO2) content, what categories can the igneous rocks divide into?
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- (a) Igneous rock is the most abundant rock in the world and is also known as primary rock. (i) Differentiate between an intrusive igneous rock and extrusive igneous rock.are resulted when other types of rocks are subjected to extreme pressure and temperature which change their shapes, textures and mineral structures. اخترأحد الخيارات a. Metamorphic rocks b. Igneous rocks c. Sedimentary rocks CLEAR MY CHOICEGranite is a medium to...-grained * .intrusive igneous rock fine medium coarse
- Fine-grained dolomite might not effervesce in cold, dilute, hydrochloric acid and chert will not. What tests should be performed to tell these two rocks apart? What might be done to make the acid test more helpful? Explain.Which type of rock forms when the structure of another rock changes, and is much less common at the earth's surface? O Conglomerate Igneous Metamorphic SedimentaryWhich type of rock is makes up majority of rock found on earth's surface? Conglomerate Igneous Metamorphic Sedimentary
- Sedimentary rocks are the oldest rocks on earth and they represent the origin for the other two types of rocks which is why they are called (Primary or mother rocks). اخترأحد الخيارات CLEAR MY CHOICESubject: Engineering geology and rock mechanics Igneous rock is a rock type that originated from the cooling of magma. Their featuresdepend on the chemistry and the environment of which they were formed. Based on thestatement given, answer the following questions. a) Differentiate the main features (texture and grain size) of the intrusive and extrusiveigneous rock? b) Explain the differences of light and dark colour igneous rock in terms of their silicacontent. c) Relate the classification of igneous rocks to Bowen’s reaction series. d) List and explain on how to identify the two (2) important minerals present in granite.Subject: Geology Give the Tensile strength, Compressive strength, and Shear strength of each of the following igneous rocks: 1. Diabase 2. Diorite 3. Dacite 4. Obsidian 5. Pumice
- Write down The composition and typical properties of the more commonly occurring clays such as kaolinite.Use the diagram below to answer the questions that follow: i. .Which type of plate boundary occurs at X? ii. What feature occurs at Y, and how does it form? iii. State what happens at Z. iv. Identify the three plates in the diagram and name the materials that make up each plate. v. Which type of plate boundary occurs at Y? vi. What feature occurs at X and how does it form?Q- What is the most important feature of Slate rock when used in construction? It is characterized by hard rock and low porosity. O It is a low cost material. O Non of them. Seldom used due to the scarcity of its production.