San Andreas fault can still hit major earthquake
San Andreas FaultSan Andreas fault aerial viewSan Andreas fault is a continental transform fault extended over an area approximately 810 miles...
الأحد، 26 أبريل 2015
Indian plate is on the move
Indian plate movementIndian plate as parted from the Australian plate and moved north towards Eurasian plate 130 million years ago. The...
الخميس، 23 أبريل 2015
Calbuco volcano, Chile volcanic activity
Calbuco volcano, ChileAs recent activity in Chile regarding active volcanism suggests that it is indeed the recent most active magmatesim. On...
الأربعاء، 22 أبريل 2015
Hydraulic fracturing or fracking
Hydraulic fracturingHydraulic fracturing also referred as hydrofracturing, hydrofracking, fracking or fraccing is a well stimulation technique in which rock is fractured...
الاثنين، 13 أبريل 2015
Quartzite
What is Quartzite?Quartzite is a nonfoliated metamorphic rock that formed by the metamorphism of pure quartz sandstone. The intense heat and...
الأحد، 5 أبريل 2015
Hornfels
What is Hornfels?Hornfels is from a German word means hornstone because of its much hardness and texture both resembled to animal...
Amphibolite
What is Amphibolite?Amphibolite is a non foliated metamorphic rock that is mainly composed of mineral amphibole and plagioclase feldspar with little...
Marble
What is Marble?Marble is a metamorphic rock which is non foliated and is formed when limestone is subjected to heat and...
السبت، 4 أبريل 2015
Slate
What is Slate?Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or...
Schist
What is Schist?Schist is a medium-grade metamorphic rock with medium to large, flat, sheet-like grains in a preferred orientation (nearby...
Phyllite
What is Phyllite?Phyllite is a metamorphic rock which forms when slate is further metamorphosed until very fine grained white mica attains...
Gneiss
What is Gneiss?Gneiss is a common distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally...
