Geology Terminology

adjective lacking refinement or delicacy

• The fabric used for the curtains was quite coarse to the touch.
• I can't wear this shirt, it feels too coarse against my skin.
• I hate how coarse this sandpaper feels, it's rough on my hands.
• His language was coarse and offensive, making everyone uncomfortable.

noun a hill or sand dune formed by the wind, usually along the beach or in a desert

• The dune ecosystem plays a crucial role in protecting coastal areas from erosion.
• Let's go sandboarding on the dunes this weekend!
• I'm totally down to chill at the dunes with some friends.
• Navigating through the dunes of life can be challenging, but the view from the top is worth it.

noun a particular aspect or feature of something

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• One facet of the research study focused on the economic implications of climate change.
• I only saw one facet of his personality when we went out for coffee.
• She only showed me one facet of her life on social media.
• The diamond sparkled in the light, each facet reflecting a different color.

noun a long, narrow opening or crack

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• The geologist discovered a large fissure in the earth's crust.
• Watch out for that fissure in the sidewalk, you might trip.
• I heard there's a secret party happening at the fissure tonight.
• The fissure in their relationship grew wider as they drifted apart.

adjective having a hard, unyielding, or stern nature

adverb in a stern or unyielding manner

• The flinty expression on his face revealed his stern demeanor.
• She gave me a flinty look when I asked for a favor.
• Don't mess with him, he's got a flinty attitude.
• Her flinty personality made it hard for others to get close to her.

adjective having or resembling leaves

• The foliated pattern on the ceiling of the cathedral was meticulously hand-painted by skilled artisans.
• I love how the foliated design on this plant adds a touch of elegance to my living room.
• Check out the foliated detailing on this jacket - it's so cool!
• Her mind was like a foliated tree, branching out with endless ideas and creativity.

noun a very hard, granular, crystalline, igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone

• The kitchen countertops were made of polished granite.
• I love the look of granite countertops in a kitchen.
• That granite slab is lit!
• Her resolve was as solid as granite.

adjective describing something that is made up of or resembles small grains or particles

• The data analysis was conducted at a granular level to ensure accuracy.
• I prefer to look at things in a more granular way, focusing on the details.
• Let's get granular and really break down this problem.
• She had a granular understanding of the situation, seeing all the small details.

noun a realm or domain consisting of minerals

• The mineral kingdom consists of inorganic substances like rocks, minerals, and crystals.
• Have you ever studied the mineral kingdom in geology class?
• I heard the mineral kingdom is full of cool shiny rocks and stuff.
• In the vast mineral kingdom of the Earth, each mineral plays a unique role like pieces of a puzzle.

noun the process or industry of extracting minerals or other geological materials from the earth

• The mining industry plays a crucial role in the country's economy.
• My uncle works in mining up north.
• I heard there's some serious mining going on in that area.
• She's always mining for compliments in social situations.

adjective describing something that is not alive or living

• Nonliving organisms do not possess the ability to grow, reproduce, or respond to stimuli.
• Nonliving things like rocks and water do not have life.
• Dude, that car is totally nonliving after the accident.
• His heart felt nonliving after the breakup.

adjective describing a surface covered with small, rounded stones or pebbles

• The beach was covered in pebbly sand, making it difficult to walk barefoot.
• I love the feeling of the pebbly ground beneath my feet when I go hiking.
• The pebbly texture of the road messed up my new sneakers.
• Her voice had a pebbly quality to it, rough and uneven but strangely soothing.

verb to reduce to fine particles or powder by crushing or grinding

• The rocks were pulverized into fine powder using a powerful machine.
• I accidentally pulverized my phone when I dropped it on the pavement.
• The boxer's opponent was completely pulverized in the ring.
• The team's spirit was pulverized after losing the championship game.

noun a geographical feature found in deserts or coastal areas

• The sand dune stretched for miles along the coastline.
• Let's go climb that sand dune over there!
• That sand dune is perfect for some sandboarding!
• Navigating through life's challenges can feel like climbing a steep sand dune.

verb past tense of the verb 'spot', meaning to see or notice something, especially something that is not easy to see

adjective describing a pattern or marking of spots

• The biologist spotted a rare species of bird in the forest.
• I spotted your favorite band's concert tickets on sale.
• I just spotted my ex at the mall, awk!
• She spotted the opportunity to start her own business and seized it.

noun a linear mark or band differing in color or texture from the surface on which it is found

• The geologist observed the striation in the rock formation, indicating the direction of past glacial movement.
• I noticed the striation marks on the wall from where someone dragged their furniture across.
• Check out the cool striation pattern on this piece of wood!
• The striation of emotions on her face told a complex story of inner turmoil.

adjective not having a definite or distinct shape or form; shapeless or formless

• The artist stared at the unformed block of marble, envisioning the masterpiece it would soon become.
• I have so many unformed ideas floating around in my head, I need to start organizing them.
• His plan was still unformed, so we decided to just go with the flow and see what happens.
• Her unformed opinions on the matter quickly solidified after hearing all sides of the argument.

noun a fragment of a material that has broken away from its main mass, typically as a result of decay or deterioration

• The engineer studied the spall patterns on the concrete wall to determine the cause of the damage.
• I noticed some spall marks on the old building, indicating its age and wear.
• The construction crew had to fix the spall in the foundation before continuing with the project.
• The relationship between the two countries began to spall as tensions rose.

noun a type of quartz that is typically white or grayish-blue and translucent, often used in jewelry

• The jeweler showcased a stunning chalcedony necklace at the exhibition.
• I love the chalcedony bracelet you're wearing, it's so pretty!
• Check out this cool chalcedony ring, it's totally rad!
• Her eyes sparkled like chalcedony in the sunlight.

adverb in a direction away from the radial axis or center

• The cells in the organism are arranged adradially around the central axis.
• The petals of the flower are all spread out adradially.
• The branches of the tree grow adradially, giving it a cool, unique shape.
• Her thoughts seemed to scatter adradially, making it hard to focus on one thing at a time.

noun a type of mineral that is a silicate of sodium and iron, typically occurring as dark green or black prismatic crystals

• Aegirines are a type of mineral belonging to the pyroxene group.
• I heard aegirines are really rare and valuable minerals.
• Yo, check out these sick aegirines I found while hiking!
• The aegirines in her collection were like little pieces of magic.

noun a type of glass that is transparent and has variegated colors resembling those of agate

adjective describing the type of glass as having variegated colors resembling those of agate

• The antique chandelier was adorned with intricate agate glass pendants.
• I found a beautiful necklace made of agate glass at the flea market.
• Check out these cool agate glass earrings I just bought!
• Her eyes sparkled like agate glass in the sunlight.

noun a line or band of color resembling agate, a type of semi-precious stone

• The agate line in the rock formation indicated a shift in mineral composition.
• I noticed the agate line running through the stone, it looked pretty cool.
• That agate line in the rock is sick!
• The agate line symbolized the division between the old and the new in the community.

noun the hard outer covering of an egg or a mollusk

• The agate shell was intricately carved and polished to perfection.
• I found a cool agate shell on the beach today, wanna see?
• Check out this sick agate shell I scored at the souvenir shop!
• Her heart felt as delicate and beautiful as an agate shell.

adjective describing something that contains or produces agate

• The agatiferous rock formations in this region are known for their stunning beauty.
• I heard there are some agatiferous rocks over by the river, wanna check them out?
• Those agatiferous rocks are lit, dude!
• Her words were like agatiferous gems, rare and precious.