What observation has been about the age of the basalt that forms a mid ocean ridge?

1 Answer

Answer :

New magma of basalt composition emerges at and near the axisbecause of decompression melting in the underlying Earth'smantle.

Related questions

Description : How did scientists determine that the age of rocks farther from the mid-ocean ridge were older?

Last Answer : thye pulled rocks from a drill and studied them obviously

Description : Which plate movement is responsible for the formation of mid-ocean ridge? -Do You Know?

Last Answer : Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as the Earth's tectonic plates spread apart. As the plates separate, molten rock rises to the seafloor, producing enormous volcanic eruptions of basalt.

Description : Why is the mid-ocean ridge the longest mountain range?

Last Answer : Need answer

Description : Is the underwater Mountain chain called the mid ocean ridge?

Last Answer : Need answer

Description : How do the parallel magnetic stripe near mid ocean ridge form?

Last Answer : These stripes often called zebra stripes, due to the alternatingcolors of the original magnetometer readings. When the firstobservations were made, it is directly related to two processesgeomagnetic reversals and seafloor spreading.

Description : What lives in the mid ocean ridge?

Last Answer : What is the answer ?

Description : Where part of a mid-ocean ridge above water?

Last Answer : What is the answer ?

Description : What is oceanic crust at a mid ocean ridge?

Last Answer : What is the answer ?

Description : Is the oceanic crust near a mid-ocean ridge is older than crust far away?

Last Answer : Sorry, you have it entirely reversed.

Description : Are new oceanic crust is formed at the mid ocean ridge?

Last Answer : Need answer

Description : Why are the Rock's close to a mid-ocean ridge younger than the ones that are farther away?

Last Answer : Mid-ocean ridges are basically underground volcanoes that lavafrom the Earth's Mantle can breach. The ocean, however, freezes thelava and that in turn forms rock. If this happens repeatedly, ... the youngerrock being formed by the ridge is pushing away the older,previously made, igneous rock.

Description : Which plate movement is responsible for the formation of mid-ocean ridge?

Last Answer : Divergent movement

Description : Which plate movement is responsible for the formation of mid-ocean ridge?

Last Answer : Divergent movement

Description : What forms when one oceanic plate is forced beneath another plate a rift valley an ocean basin an ocean ridge a subduction zone?

Last Answer : a subduction zone

Description : What type of mountain range is the Mid-Atlantic Ridge?

Last Answer : Need answer

Description : What shape does the mid Atlantic Ridge look like?

Last Answer : Africa and erope

Description : What major island mass lies on the axis of the mid- Atlantic ridge?

Last Answer : Iceland

Description : Which is the longest mountain chain on Earth? (1) Andes mountains (2) Mid-Atlantic ridge (3) Western Cordillera (4) Himalayan range

Last Answer : (1) Andes mountains Explanation: The world’s longest mountain chain is the Andes, about 7,000 km long. The chain stretches from north to south through seven countries in South America, along the west coast of the continent: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.

Description : What is the range of the Mid-Atlantic Ridge? w) from Cuba to the Azores x) from Iceland to Antarctica y) from Cape Hatteras to Gibraltar z) from Cape Horn to the Cape of Good Hope

Last Answer : ANSWER: X -- FROM ICELAND TO ANTARCTICA

Description : Describe the Mid-Oceanic Ridges of the Indian Ocean.

Last Answer : Describe the Mid-Oceanic Ridges of the Indian Ocean.

Description : What term describes the process that creates new oceanic crust at mid ocean ridges?

Last Answer : Sea Floor Spreading

Description : How do the parallel magnetic stripes near mid-ocean form?

Last Answer : These stripes often called zebra stripes, due to the alternatingcolors of the original magnetometer readings. When the firstobservations were made, it is directly related to two processesgeomagnetic reversals and seafloor spreading.

Description : How do the parallel magnetic stripes near mid-ocean form?

Last Answer : These stripes often called zebra stripes, due to the alternatingcolors of the original magnetometer readings. When the firstobservations were made, it is directly related to two processesgeomagnetic reversals and seafloor spreading.

Description : What draws dense rock away from Mid ocean ridges?

Last Answer : Gravity

Description : Which one of the following is called ‘Ring of Fire’? (1) Circum Pacific Belt (2) Mid-Continental Belt (3) Indian Ocean Belt (4) Atlantic Ocean Belt

Last Answer : (1) Circum Pacific Belt Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40,000 km horseshoe ... of Fire has 452 volcanoes and is home to over 75% of the world's active and dormant volcanoes.

Description : Iceland has a great deal of volcanic activity. The reason for this is: w) it was formed above a mid-ocean rift. x) it is part of the "Ring of Fire". y) two tectonic plates are rubbing against each other under Iceland. z) the American plate is diving under the European plate in this region.

Last Answer : ANSWER: W -- IT WAS FORMED ABOVE A MID-OCEAN RIFT.

Description : Which one of the following is called ‘Ring of Fire’? (1) Circum Pacific Belt (2) Mid-Continental Belt (3) Indian Ocean Belt (4) Atlantic Ocean Belt

Last Answer : Circum Pacific Belt

Description : Prove that the quadrilateral formed by joining the mid points of quadrilateral forms parallelogram -Maths 9th

Last Answer : Please see Exercise 8.2 - question 1 here in Quadrilaterals.

Description : Prove that the quadrilateral formed by joining the mid points of quadrilateral forms parallelogram -Maths 9th

Last Answer : Please see Exercise 8.2 - question 1 here in Quadrilaterals.

Description : A contractile mid body forms during cytokinesis in :-

Last Answer : A contractile mid body forms during cytokinesis in :- A. Animals B. Higher plants C. Fungi D. Algae

Description : Which ilement is in the highest amount in the composition of basalt rock? -Do You Know?

Last Answer : answer:

Description : Where would you expect lava solidifying into basalt?

Last Answer : Need answer

Description : What does the basalt contain that makes this possible?

Last Answer : Need answer

Description : How is basalt transported?

Last Answer : What is the answer ?

Description : Granite and Basalt are

Last Answer : Ans. Igneous rocks

Description : The rock that results from solidification of molten lava from a volcano is an example of Which of the following? (1) Igneous rocks (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous rocks Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava).

Description : Spot the odd item in the following : (1) Basalt (2) Ruby (3) Emerald (4) Sapphire

Last Answer : (1) Basalt Explanation: Emerald, together with ruby and sapphire, form the "big three" of colored stones or gems which are all metamorphic in nature. Basalt is an igneous rock.

Description : Which one of the following is a Sedimentary Rock? (1) Granite (2) Charnockite (3) Basalt (4) Arkose

Last Answer : (4) Arkose Explanation: Arkose is a detrital sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. It is commonly coarsegrained and usually either pink of gray (depending on the color of feldspar).

Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous Rock Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and ... Earth's crust. However, some are also formed on the surface as a result of volcanic activity.

Description : Which one of the following is the example of sedimentary rocks? (1) Loess (2) Basalt (3) Granite (4) Gabbro

Last Answer : (1) Loess Explanation: Loess is an Aeolian sediment formed by the accumulation of wind-blown silt, typically in the 20-50 micrometer size range, twenty percent or less clay and the balance equal parts ... German origin and means "loose." It was first applied to Rhine River valley loess about 1821.

Description : Which of the following is an example of Plutonic Igneous Rock? (1) Basalt (2) Granite (3) Slate (4) Dolomite

Last Answer : (2) Granite Explanation: When magma solidifies under the earth's surface, it forms plutonic rock bodies or plutons. The most common rock types in plutons are granite, granodiorite, tonalite, monzonite, and quartz diorite.

Description : Molten rock below the surface of the earth is called – (1) Basalt (2) Laccolith (3) Lava (4) Magma

Last Answer : (4) Magma Explanation: Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth. When magma erupts from a volcano or other vent, the ... . When lava cools on the Earth's surface and forms a solid structure, it is called igneous rock.

Description : Which of the following is not an Igneous Rock? (1) Dolomite (2) Granite (3) Basalt (4) Gabbro

Last Answer : (1) Dolomite Explanation: Dolomite is a common sedimentary rock-forming mineralcomposed of calcium magnesium carbonate, ideally CaMg(CO3)2. It is the primary component of the sedimentary rock ... rock known as dolomitic marble. Limestone that contains some dolomite is known as dolomitic limestone

Description : Marble is the metamorphosed form of (1) Shale (2) Basalt (3) Sandstone (4) Limestone

Last Answer : (4) Limestone Explanation: Marble is a non-foliated metamorphic rock composed of re-crystallized carbonate minerals, most commonly calcite or dolomite. Geologists use the term "marble" to refer ... and structures of the original carbonate rock (protolith) have typically been modified or destroyed.

Description : Which ilement is in the highest amount in the composition of basalt rock?

Last Answer : Silicon

Description : Which ilement is in the highest amount in the composition of basalt rock?

Last Answer : Silicon

Description : Which stone floats on water? A. Pumice stone (Answer) B. Lime stone C. Basalt stone D. Quartzite stone

Last Answer : A. Pumice stone (Answer)

Description : Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant? (A) Silica gel (B) Diatomaceous earth (C) Basalt (D) Bog iron (i.e., moist ferric hydroxide)

Last Answer : (D) Bog iron (i.e., moist ferric hydroxide)