Updated on March 16, 2024
volcanic | Volcanic rocks created the stunning landscape of the area. |
igneous | Igneous rocks are formed when magma cools and solidifies. |
metamorphic | Metamorphic rocks result from the intense heat and pressure of tectonic plates colliding. |
crystalline | The crystalline rocks in the area are primarily composed of granite and gneiss. |
granitic | The granitic rocks had a white to grey-red coloration. |
older | The older rocks are typically found deep in the Earth's crust. |
basic | The most basic rocks are made up of a few common minerals. |
stratified | The Grand Canyon is famous for its stratified rocks |
hard | |
intrusive | The intrusive rocks were injected into the surrounding rock layers. |
sedimentary | The Grand Canyon is a good example of sedimentary rocks |
black | The black rocks stood out against the white sand. |
ancient | The ancient rocks stood as silent witnesses to the passage of time. |
oldest | The oldest rocks on Earth are found on granite-greenstone belts or gneiss complexes of the Archean Eon, which are over 3 billion years. |
huge | The climber used ropes to navigate the huge rocks |
jagged | The ship crashed into the jagged rocks shattering into a thousand pieces. |
bearing | The heavy rainstorm was bearing rocks and boulders down the mountain. |
sharp | Watch out for sharp rocks on the trail. |
basaltic | Basaltic rocks are rich in iron and magnesium. |
bare | The bare rocks of the mountain were a harsh contrast to the lush green valley below. |
big | I moved the big rocks out of the way. |
eruptive | Eruptive rocks are formed when molten rock cools and solidifies. |
calcareous | The calcareous rocks in the area are a valuable source of calcium. |
grained | The grained rocks were exposed to the elements for centuries. |
younger | The younger rocks were more porous. |
hot | The hot rocks warmed the cold air. |
steep | The steep rocks towered over the crashing waves, their jagged peaks piercing the sky. |
mesozoic | The mesozoic rocks are found in many parts of the world. |
red | The red rocks glowed in the soft light of the setting sun. |
flat | We used to go swimming and sunbathe on the flat rocks during the summer. |
loose | Loose rocks are a hazard to hikers. |
solid | The explorers used hammers to break up the solid rocks |
dark | I see many dark rocks in my garden. |
barren | The barren rocks provided little shelter from the relentless wind. |
cretaceous | The cretaceous rocks were formed during the Cretaceous period, which lasted from 145 to 66 million years ago. |
cambrian | These cambrian rocks are very old and contain a lot of fossils. |
primitive | The primitive rocks show signs of extreme heat and pressure. |
plutonic | Plutonic rocks are igneous rocks formed underground. |
soft | The soft rocks crumbled easily under my feet. |
massive | The coast was full of massive rocks |
rich | The miners searched for emeralds amidst the rich rocks |
gray | The gray rocks stood tall and imposing, a testament to the ages that had passed. |
secondary | The secondary rocks are composed of fragments of pre-existing rocks. |
rugged | The rugged rocks stood tall against the crashing waves. |
alkaline |
slippery | Watch your footing on the slippery rocks |
porous | The porous rocks allowed water to seep through. |
grey | The castle's grey rocks stood tall against the stormy sky. |
siliceous | Siliceous rocks are composed primarily of silica, a compound of silicon and oxygen. |
silicate | Silicate rocks are the most abundant type of rock on Earth. |
sunken | The boat crashed into the sunken rocks and sank. |
tertiary | The tertiary rocks were formed during the Tertiary period. |
magmatic | The volcanic eruption spewed out a large quantity of magmatic rocks |
precipitous | The climbers struggled to scale the precipitous rocks |
covered | The sea lions were sunbathing lazily on the covered rocks |
clastic | Clastic rocks are composed of broken fragments of other rocks. |
dangerous | The boat crashed against the dangerous rocks |
marine | The marine rocks were covered in seaweed and barnacles. |
adjacent | The two houses were built on adjacent rocks |
fossiliferous | These fossiliferous rocks have yielded many important specimens. |
coral | Snorkeling enthusiasts enjoyed seeing aquatic life among the coral rocks |
resistant | The resistant rocks stood firm against the relentless waves. |
wet | The wet rocks glimmered in the sunlight. |
naked | The naked rocks were exposed to the elements for centuries. |
archaean | Archaean rocks which are the oldest rocks on Earth, have been found in many parts of the world. |
smooth | The smooth rocks skipped effortlessly across the water's surface. |
submerged | We should be careful to avoid the submerged rocks |
perpendicular | The perpendicular rocks towered over the hikers. |
rough | The boat scraped against rough rocks |
broken | The workers were busy clearing away the broken rocks |
softer | The softer rocks were easier to carve. |
terrestrial | The meteorite was composed of terrestrial rocks |
continental | The continental rocks were formed over millions of years. |
lunar | The lunar rocks were collected by astronauts during the Apollo missions. |
crustal | Crustal rocks are the rocks that make up the crust of the Earth. |
extrusive | Extrusive rocks are formed from the cooling of lava that has flowed out onto the earth's surface. |
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