Welcome to Tanchon vocabulary! A rock sample can raise excellent questions: what is it made of, how was it identified and what does a reported number mean? These 100 English words help you explore mineral descriptions, sample records and general processing diagrams. Begin with the material, then follow the evidence.
Tanchon is a city in South Hamgyong Province with documented regional mineral-resource associations. The guide uses that background to introduce general geological and resource vocabulary. You will learn to distinguish a mineral from a rock, a deposit from a reserve and product grade from recovery. Each distinction makes technical reading more approachable.
This Tanchon travel vocabulary list includes clear meanings, original examples and reasoning tasks. Samples, deposits, processing diagrams and datasets are fictional or general illustrations. They do not establish current local reserves, output, prices or environmental conditions. The mineral examples introduce English terminology rather than a complete inventory of the city's geology.
Top 100 Vocabulary Words for Tanchon
mineral, rock, ore, orebody, mineral deposit, mineral occurrence, mineral resource, mineral reserve, ore grade, cut-off grade
gangue, host rock, country rock, vein, veinlet, disseminated, massive, outcrop, overburden, weathered zone
exploration, prospecting, geological mapping, sampling, representative sample, grab sample, channel sample, drill core, core log, assay
assay laboratory, detection limit, chain of custody, sample label, geochemical anomaly, geophysical survey, magnetic survey, gravity survey, resistivity, magnesite
sphalerite, galena, pyrite, quartz, feldspar, mica, graphite, hematite, magnetite, zinc
magnesium, mineral hardness, streak, specific gravity, crystal habit, metallic lustre, vitreous lustre, conchoidal fracture, ore processing, comminution
crushing, grinding, screening, classification, particle size, size distribution, liberation, beneficiation, gravity separation, magnetic separation
flotation, concentrate, feed material, tailings, recovery, mass balance, throughput, tonnage, stockpile, rehandling
dewatering, thickener, filter cake, slurry, process water, mine drainage, acid mine drainage, leachate, containment, tailings storage
reclamation, mine closure, rehabilitation, environmental baseline, monitoring point, background concentration, material provenance, commodity price, economic viability, geological uncertainty
Word Meanings and Example Sentences
| Word | Meaning | Example |
|---|---|---|
| mineral | a naturally occurring substance with a characteristic structure and composition | The mineral card names a sample and its properties. |
| rock | a natural solid composed of minerals or related material | The rock contains several visible mineral grains. |
| ore | material containing a substance worth extracting under stated conditions | Ore is an economic description as well as a material term. |
| orebody | a defined body of economically relevant mineralised material | The fictional orebody is shaded on the geological diagram. |
| mineral deposit | a natural concentration of minerals | The mineral deposit has a stated geological setting. |
| mineral occurrence | a place where a mineral is found | A mineral occurrence need not be a workable deposit. |
| mineral resource | a concentration with reasonable prospects for economic extraction | A mineral resource needs a stated reporting basis. |
| mineral reserve | the economically mineable part established under a defined reporting framework | A mineral reserve is not merely any material underground. |
| ore grade | the concentration of a valuable constituent in ore | Ore grade is expressed with a unit or percentage. |
| cut-off grade | a threshold used to distinguish material for particular economic treatment | Cut-off grade depends on the stated assumptions. |
| gangue | unwanted mineral material accompanying valuable constituents | Gangue appears beside the valuable mineral in the lesson. |
| host rock | the rock containing a deposit or feature | The host rock surrounds the illustrated mineralisation. |
| country rock | rock surrounding a geological body | Country rock forms the background of the section. |
| vein | a mineral-filled fracture or narrow body | The vein crosses the rock in the drawing. |
| veinlet | a small narrow mineral vein | A veinlet branches from the larger illustrated vein. |
| disseminated | scattered through a material | Disseminated grains occur throughout the classroom sample. |
| massive | without obvious internal layering or with concentrated mineral material | Massive describes the structure in this geological context. |
| outcrop | rock exposed at the ground surface | The outcrop is visible above the drawn soil layer. |
| overburden | material lying above a deposit or other feature | Overburden covers the shaded body in the section. |
| weathered zone | a layer altered by weathering | The weathered zone lies near the surface. |
| exploration | investigation to locate and assess natural resources | Exploration is a stage in the fictional project timeline. |
| prospecting | an initial search for mineral indications | Prospecting is introduced as a general activity term. |
| geological mapping | recording rock types and structures by location | Geological mapping creates the teaching map's coloured units. |
| sampling | selecting material or observations for examination | Sampling needs a stated method in the example. |
| representative sample | a sample reflecting the material or population of interest | A representative sample cannot be assumed from appearance alone. |
| grab sample | a sample collected from a selected spot or handful | A grab sample represents only its defined collection context. |
| channel sample | a sample taken along a defined line or groove | The fictional channel sample follows a marked line. |
| drill core | a cylindrical rock sample obtained by drilling | The drill core has layers visible along its length. |
| core log | a record describing a drill core | The core log records depth and rock descriptions. |
| assay | analysis of a material's constituent content | The assay result has a method and unit. |
| assay laboratory | a laboratory analysing constituent content | The assay laboratory is fictional in this exercise. |
| detection limit | the smallest amount detectable under a stated method | Detection limit belongs beside the analytical result. |
| chain of custody | a record of sample possession and transfer | Chain of custody follows the fictional sample to analysis. |
| sample label | an identifier attached to a sample | The sample label matches the classroom record. |
| geochemical anomaly | a concentration differing from an expected background | A geochemical anomaly requires a defined comparison. |
| geophysical survey | measurement of physical properties to investigate geology | A geophysical survey is one investigation type in the reading. |
| magnetic survey | measurement of magnetic properties across an area | The magnetic survey produces a fictional map. |
| gravity survey | measurement of variations in gravitational field | The gravity survey explores subsurface differences in the lesson. |
| resistivity | a material property describing resistance to electric current flow | Resistivity is a measured property in the glossary. |
| magnesite | a magnesium carbonate mineral | Magnesite is one mineral named in the regional background. |
| sphalerite | a zinc sulphide mineral | Sphalerite is introduced through a mineral identification card. |
| galena | a lead sulphide mineral | Galena appears beside sphalerite in the sample illustration. |
| pyrite | an iron sulphide mineral | Pyrite has a metallic appearance in the teaching photograph. |
| quartz | a silicon dioxide mineral | Quartz is identified by more than colour alone. |
| feldspar | a group of common rock-forming silicate minerals | Feldspar appears in the general rock description. |
| mica | a group of sheet-like silicate minerals | Mica can show thin sheet-like forms in a sample. |
| graphite | a crystalline form of carbon | Graphite is distinguished from metal in the materials lesson. |
| hematite | an iron oxide mineral | Hematite is named on the mineral worksheet. |
| magnetite | an iron oxide mineral with strong magnetic properties | Magnetite has a characteristic property in the comparison. |
| zinc | a metallic chemical element | Zinc is an element rather than the name of every zinc ore. |
| magnesium | a metallic chemical element | Magnesium differs from the mineral magnesite. |
| mineral hardness | resistance of a mineral to scratching | Mineral hardness is compared with other identification clues. |
| streak | the colour of a mineral's powder | Streak may differ from the sample's surface colour. |
| specific gravity | density relative to a stated reference substance | Specific gravity compares densities in the lesson. |
| crystal habit | the characteristic external form of a crystal | Crystal habit describes shape rather than chemical composition. |
| metallic lustre | a surface appearance resembling metal | Metallic lustre is one observation on the sample card. |
| vitreous lustre | a glass-like reflective appearance | Vitreous lustre helps describe the fictional mineral sample. |
| conchoidal fracture | breakage producing curved shell-like surfaces | Conchoidal fracture is illustrated in the close-up drawing. |
| ore processing | treatment of ore to separate or prepare valuable constituents | Ore processing follows extraction in the general sequence. |
| comminution | reducing material to smaller particles | Comminution is the umbrella term in the process diagram. |
| crushing | breaking material into smaller pieces | Crushing precedes finer grinding in the model sequence. |
| grinding | reducing material to finer particles | Grinding creates smaller particles in the diagram. |
| screening | separating particles with a screen | Screening divides the fictional material by size. |
| classification | separating material into defined categories, often by particle behaviour | Classification is used for particle separation in this passage. |
| particle size | a measure of a particle's dimensions | Particle size needs a stated measurement method. |
| size distribution | the spread of particle sizes in material | Size distribution is shown in the classroom graph. |
| liberation | freeing valuable mineral grains from surrounding material | Liberation concerns grain separation rather than metal production. |
| beneficiation | processing to improve the useful concentration of material | Beneficiation changes the composition of the model product. |
| gravity separation | separation using differences in density-related behaviour | Gravity separation is introduced at a descriptive level. |
| magnetic separation | separation using differences in magnetic response | Magnetic separation depends on relevant material properties. |
| flotation | separation exploiting differences in particle surface behaviour | Flotation is a process name in the general reading. |
| concentrate | a product enriched in the desired constituent | The concentrate has a higher fictional grade than the feed. |
| feed material | material entering a process | Feed material enters the first box of the diagram. |
| tailings | material remaining after separation of valuable constituents | Tailings are distinguished from untreated rock in the glossary. |
| recovery | the share of a target constituent retained in a desired product | Recovery concerns retained content rather than product purity alone. |
| mass balance | an account of material entering, leaving and being stored | The mass balance compares fictional inputs and outputs. |
| throughput | the amount processed in a stated time | Throughput is stated in tonnes per hour. |
| tonnage | an amount expressed in tonnes or another specified ton unit | Tonnage needs its unit stated clearly. |
| stockpile | a stored heap of material | The stockpile appears beside the fictional processing diagram. |
| rehandling | moving stored material again | Rehandling adds another step to the model sequence. |
| dewatering | removing water from material | Dewatering changes the water content of the model product. |
| thickener | equipment concentrating suspended solids by settling | The thickener is labelled in the general process sketch. |
| filter cake | solid material retained after filtration | The filter cake is a process product in the worksheet. |
| slurry | a mixture of solid particles and liquid | Slurry is shown flowing between diagram boxes. |
| process water | water used within an industrial process | Process water has a specified role in the lesson. |
| mine drainage | water leaving or collected within a mining area | Mine drainage requires a source and quality description. |
| acid mine drainage | acidic drainage arising from reactions involving certain exposed minerals | Acid mine drainage is a general environmental term. |
| leachate | liquid carrying dissolved or suspended material from a source | Leachate is defined by its pathway and source. |
| containment | measures keeping material within a controlled boundary | Containment is a goal in the fictional environmental plan. |
| tailings storage | an arrangement for holding tailings | Tailings storage is not shown as a local facility inventory. |
| reclamation | work restoring disturbed land to an agreed condition | Reclamation follows the fictional site's closure stage. |
| mine closure | the ending and management of mining operations | Mine closure includes more than stopping production. |
| rehabilitation | work improving a disturbed site's condition | Rehabilitation has defined goals in the example. |
| environmental baseline | a reference description before a project or change | Environmental baseline gives later observations a comparison. |
| monitoring point | a location selected for repeated observations | The monitoring point has a label on the fictional map. |
| background concentration | a reference concentration apart from the studied influence | Background concentration depends on the chosen context. |
| material provenance | information about a material's origin and history | Material provenance links the classroom sample with its source. |
| commodity price | the market price of a traded raw material | Commodity price is a variable in the general economic explanation. |
| economic viability | the ability of an activity to meet defined economic conditions | Economic viability needs more than a deposit's size. |
| geological uncertainty | limits in knowledge of geological conditions | Geological uncertainty is stated beside the fictional interpretation. |
Why These Words Are Useful in Tanchon
Regional mineral associations offer a useful learning theme, but several different claims can hide inside the word 'resource'. Finding a mineral is not the same as establishing a workable deposit. A concentration needs geological evidence, and economic assessments also depend on costs, prices and other conditions. Follow each term through its stated scope. That gives you a richer description than treating every visible rock as ore or every underground concentration as a reserve.
Understand the Words Before Memorising Them
Identify the material with more than colour
Mineral identification can use hardness, streak, crystal habit and other properties. A rock may contain several minerals, so its overall colour does not identify every grain. Use a labelled classroom sample or a reliable photograph to practise a description. Separate an observable feature from an identification. The first tells the reader what you notice; the second requires enough supporting information to justify the mineral name.
Give a sample a documented scope
Sampling selects part of a material or population for examination. A grab sample concerns its particular collection context. A representative sample needs a method that supports representation of the intended material. A sample label and chain of custody connect an analytical result with its source history. Practise explaining what one fictional result tells you and which wider question it cannot answer on its own.
Separate enriched product from retained content
Concentrate names a product enriched in the desired constituent. Grade describes concentration; recovery describes the share of a target constituent retained in the desired product. A high grade does not automatically mean that most of the original valuable content was recovered. Draw separate boxes for feed and product. Then label mass and constituent content so the two questions remain distinct in your explanation.
Commonly Confused Words
mineral / rock
A mineral has characteristic composition and structure. A rock is a natural solid made from minerals or related material.
mineral resource / mineral reserve
These terms have defined meanings within reporting frameworks. A reserve concerns an economically mineable part supported by the required assessment, rather than every identified concentration.
ore grade / recovery
Grade describes concentration within material. Recovery describes the share of target content retained in a desired product.
magnesite / magnesium
Magnesite is a mineral compound. Magnesium is a chemical element. Related names do not make them the same material.
A Short Conversation
Learner: The sample contains a useful mineral. Does that prove a reserve?
Teacher: What does the sample establish within its scope?
Learner: That the mineral occurs in the sampled material.
Teacher: Good. A reserve needs more geological and economic assessment.
Learner: And grade is different from recovery?
Teacher: Yes. Concentration and retained content answer different questions.
Turn the Vocabulary into a Paragraph
Model paragraph for learning: Tanchon's regional resource associations encouraged me to explore mineral vocabulary. In a fictional investigation, a sample label connects a piece of host rock with its collection record. An assay reports a constituent concentration with a stated method, while a general processing diagram separates feed material from concentrate and tailings. I distinguish ore grade from recovery and avoid treating one sample as proof of a mineral reserve. The vocabulary helps me explain what the evidence supports and where further assessment is needed.
Choose three useful words from the paragraph. Explain why each fits its sentence. Then write a fresh paragraph using a clearly identified source, diagram or imagined setting. Keep each sentence focused on one idea so the description remains easy to follow.
Learn, Practise and Check
Choose ten words connected to one situation. Read the meanings, cover the column and explain each word in your own language. Then write a new example without copying the original. If two words feel similar, sketch their relationship or write a sentence explaining the difference. Return later and check whether you can still recognise and use them correctly.
Choose the material term
Which names a chemical element: magnesite or magnesium?
Answer or checking guide: Magnesium. Magnesite names a mineral compound.
Read fictional grade
A classroom sample contains 2 mass units of a target constituent within 100 total mass units. What is the mass percentage?
Answer or checking guide: 2%. This is a fictional proportion, not a local ore-grade estimate.
Read fictional recovery
A model feed contains 10 units of target content, and the desired product retains 8. What is the recovery?
Answer or checking guide: 80%. Product concentration is a separate question requiring the product's total mass.
Repair the reserve claim
Rewrite: 'One mineral sample proves a large economically mineable reserve.'
Answer or checking guide: 'The sample identifies material within its scope; a reserve claim requires additional geological and economic assessment under an appropriate framework.'
What If a Word Still Feels Difficult?
Find the specific gap. Can you explain the object or situation? Do you understand the difference from a nearby word? Can you use it in a grammatical sentence? Repair that step before adding more words. A small labelled diagram, a short conversation or a familiar object often makes a technical term easier to remember. Check the repair with a different example rather than repeating the same answer.
Questions About Tanchon Vocabulary
Does every listed mineral occur at every Tanchon site?
No. The entries are general mineral-reading vocabulary. Specific occurrence claims require a location-specific source.
Is ore purely a visual description?
No. Its economic meaning depends on the substance, conditions and assessment. Appearance alone cannot establish it.
Why learn environmental terms?
They help explain the broader material story, including water, stored residues, land condition and later site management.
Continue Learning with eduKate
Vocabulary Lists Control Tower helps you choose another learning setting. Education OS connects understanding, practice and checking. Browse more city guides in the World City Directory. North Korea vocabulary hub: choose another city or a connected learning route. Continue with Songrim vocabulary and Kaechon vocabulary. For a wider comparison, open Tuas Industry Hub OS to trace the language of material inputs and processing.
Kaechon vocabulary: Compare a mineral sample with a cave landscape, keeping material, process and evidence separate.
Explore the earlier North Korea city guides: Pyongyang · Kaesong · Nampo · Wonsan · Chongjin · Hamhung · Sinuiju · Rason · Sariwon · Haeju · Hyesan · Pyongsong · Kanggye · Anju · Kaechon · Sunchon.
Sources and Further Reading
Tanchon: geographical and regional mineral background
USGS: mineral gemstone background
CRIRSCO: mineral resource and reserve definitions
Current UK official North Korea travel advice. Reference checked on 5 October 2026: the UK FCDO advises against all but essential travel. Consult current advice applicable to your nationality separately from vocabulary learning.