# GEOSCI 203: Earth Materials: a Systems Approach | UW–Madison [View on UW Courses](https://uwcourses.com/courses/GEOSCI_203) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## course ### run id 20260907T155543-ce3781c4 ### semester 1272 ### observed at 2026-09-07 15:55:43.033547+00:00 ### record version id 9cbbef9b40c09c102cb784798697354bf7c44719fe0d4e2e0ee23d26ec2b6203 ### course id GEOSCI 203 ### course uid course\_45764de59a89b615d303e21f ### catalog version id 0f387e231e53b4fe6f85465bb794440fa48257c74882307b13e2cb5142ab08ea ### course number 203 ### subjects * GEOSCI ### title EARTH MATERIALS: A SYSTEMS APPROACH ### description Introduction to earth systems and earth materials that form as a result of earth processes. Focus on identification of igneous, sedimentary, metamorphic, and structural rock types in hand sample, core, and outcrop. Topics include: structure and composition of the earth; fundamentals of mineralogy and crystallography; magmatism; sedimentary deposition; metamorphism and deformation; water and the hydrosphere; mineral deposits; energy resources; basic principles of rock mechanics. ### requirements text None ### credit offering ids None recorded. ### llm job id enrich-8b774950c2b6adfdc46d1b82 ### llm output id dc2d5c0463be2372ac453a3763e97fb6aa890913b8f7cd859d1bd3587e754dac ### llm model nvidia/Qwen3.6-35B-A3B-NVFP4 ### llm model revision 1355db6a052410cfd62085d94b58866fd0f2c3c5 ### llm task version 14 ### llm search status valid ### llm summary GEOSCI 203 introduces earth systems and materials, focusing on rock identification and geological processes. ### llm topics * Structure and composition of the earth * Fundamentals of mineralogy and crystallography * Magmatism * Sedimentary deposition * Metamorphism and deformation * Water and the hydrosphere * Mineral deposits * Energy resources ### llm skills * Identification of rock types in hand sample, core, and outcrop * Understanding earth systems and material formation processes ### llm assumed background None recorded. ### llm search phrases * earth materials identification * igneous sedimentary metamorphic rocks * mineralogy crystallography fundamentals * geology systems approach course ### llm requirements status valid ### llm student summary status valid ### llm experience status insufficient\_evidence ### catalog variants None recorded. ### student summary #### context hash 09d1977ca354ca8a7b0e3f5091ce6f0e20108c7a9491d612d3bbc7fa45e3a56d #### course id GEOSCI 203 #### current instructors None recorded. #### difficulty workload None recorded. #### errors None recorded. #### historical context None recorded. #### message No course-specific reviews available #### offered false #### profile hash 5cb4dabf887cdbcd8c00d5a1312e10828b95c63f30bc3ea76aea199565390d02 #### quick take Recent recorded grades — Spring 2008: 3.08 GPA, 40.6% A/AB (n=32 letter grades); Spring 2009: 3.04 GPA, 47.8% A/AB (n=23 letter grades); Spring 2010: 3.23 GPA, 43.2% A/AB (n=37 letter grades). ```json { "citations": [ { "course_id": "GEOSCI 203", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "dcd25482-7d9e-36db-bd2c-57af8d112e37", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1084", "type": "grade" }, { "course_id": "GEOSCI 203", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "dcd25482-7d9e-36db-bd2c-57af8d112e37", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1094", "type": "grade" }, { "course_id": "GEOSCI 203", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "dcd25482-7d9e-36db-bd2c-57af8d112e37", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1104", "type": "grade" } ] } ``` #### student experience None recorded. #### task hash 74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68 #### teaching history None recorded. #### term id 1272 #### term name 2026 Fall #### version 2 ### requirements #### nodes ```json [ { "children": [], "condition": "None", "course": null, "evidence": "None", "id": "source_requirements", "kind": "condition" } ] ``` #### notes * Display fallback using original requirements text; not an LLM-parsed rule. #### root source\_requirements #### status needs\_review ### instructors None recorded. ### offerings None recorded. ### sections None recorded. ### grade instructors ```json [ { "instructor_uid": "instructor_4d06bd94ed86c780f96cc923", "source": "madgrades", "source_instructor_id": "3922816", "identity_basis": "source_id", "identity_status": "source_identified", "name": "HUIFANG XU", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 21, "quality": 3.33, "difficulty": 2.9, "quality_count": 21, "difficulty_count": 21, "profile_id": "rmp:1136169", "source_url": "https://www.ratemyprofessors.com/professor/1136169", "match_basis": "exact_name", "observed_at": "2026-09-07 16:36:23.251989+00:00", "courses": { "course_81f4461a09a3e6c844c539a7": { "review_count": 6, "quality": 3.5, "difficulty": 2.67, "quality_count": 6, "difficulty_count": 6 }, "course_c12870ea5f4395a0bdc83d31": { "review_count": 2, "quality": 4.5, "difficulty": 4, "quality_count": 2, "difficulty_count": 2 } }, "bayesian_quality": 3.4908223334373636, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "grade_statistics": { "gpa": 3.317, "graded": 8403, "counts": [ 3148, 2145, 1484, 782, 557, 251, 36 ], "sections": 159 }, "instructor_url": "/instructors/HUIFANG_XU--instructor_4d06bd94ed86c780f96cc923" }, { "instructor_uid": "instructor_b5e006946bd892fb30e7c420", "source": "madgrades", "source_instructor_id": "2601758", "identity_basis": "source_id", "identity_status": "source_identified", "name": "PHILIP BROWN", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "grade_statistics": { "gpa": 3.135, "graded": 1549, "counts": [ 442, 278, 430, 165, 187, 39, 8 ], "sections": 102 }, "instructor_url": "/instructors/PHILIP_BROWN--instructor_b5e006946bd892fb30e7c420" }, { "instructor_uid": "instructor_542f4d667df5376accd331ee", "source": "madgrades", "source_instructor_id": "1125428", "identity_basis": "source_id", "identity_status": "source_identified", "name": "BASIL TIKOFF", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 26, "quality": 4.23, "difficulty": 2.54, "quality_count": 26, "difficulty_count": 26, "profile_id": "rmp:805558", "source_url": "https://www.ratemyprofessors.com/professor/805558", "match_basis": "exact_name", "observed_at": "2026-09-07 16:52:20.047345+00:00", "courses": { "course_4cf6092f224e24f3802dc57a": { "review_count": 8, "quality": 3.62, "difficulty": 2.38, "quality_count": 8, "difficulty_count": 8 }, "course_f683dea6d8828679405704e8": { "review_count": 2, "quality": 4.5, "difficulty": 3, "quality_count": 2, "difficulty_count": 2 } }, "bayesian_quality": 3.9820372971941724, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "grade_statistics": { "gpa": 3.119, "graded": 1921, "counts": [ 579, 283, 571, 195, 218, 49, 26 ], "sections": 159 }, "instructor_url": "/instructors/BASIL_TIKOFF--instructor_542f4d667df5376accd331ee" }, { "instructor_uid": "instructor_619a50857bc74074fac3fa33", "source": "madgrades", "source_instructor_id": "4275150", "identity_basis": "source_id", "identity_status": "source_identified", "name": "TINA HILL", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "grade_statistics": { "gpa": 3.23, "graded": 37, "counts": [ 10, 6, 13, 7, 1, 0, 0 ], "sections": 1 }, "instructor_url": "/instructors/TINA_HILL--instructor_619a50857bc74074fac3fa33" } ] ``` ### grades ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "GEOSCI 203", "course_uid": "course_45764de59a89b615d303e21f", "term_id": "1074", "term_name": "Spring 2007", "instructors": [ "Huifang Xu", "PHILIP BROWN" ], "a": 6, "ab": 3, "b": 4, "bc": 5, "c": 4, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 22, "source_aliases": [ "GEOSCI 203" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "GEOSCI 203", "course_uid": "course_45764de59a89b615d303e21f", "term_id": "1084", "term_name": "Spring 2008", "instructors": [ "Huifang Xu", "PHILIP BROWN" ], "a": 8, "ab": 5, "b": 10, "bc": 4, "c": 4, "d": 1, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 32, "source_aliases": [ "GEOSCI 203" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "GEOSCI 203", "course_uid": "course_45764de59a89b615d303e21f", "term_id": "1094", "term_name": "Spring 2009", "instructors": [ "Huifang Xu", "PHILIP BROWN" ], "a": 5, "ab": 6, "b": 5, "bc": 2, "c": 4, "d": 1, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 23, "source_aliases": [ "GEOSCI 203" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "GEOSCI 203", "course_uid": "course_45764de59a89b615d303e21f", "term_id": "1104", "term_name": "Spring 2010", "instructors": [ "Basil Tikoff", "Huifang Xu", "TINA HILL" ], "a": 10, "ab": 6, "b": 13, "bc": 7, "c": 1, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 1, "no_work": 0, "not_reported": 0, "other": 0, "total": 38, "source_aliases": [ "GEOSCI 203" ] } ] ``` ### statistics #### gpa 3.114 #### graded 114 #### counts * 29 * 20 * 32 * 18 * 13 * 2 * 0 ### grade conflicts None recorded. ### evidence #### history * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course\_45764de59a89b615d303e21f-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course_45764de59a89b615d303e21f-0.json) #### traces * 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departments ```json [ { "subject": "GEOSCI", "comparison": { "size": 18, "gpaPercentile": 47, "countPercentile": 53, "medianCount": 100.5, "histogram": [ { "range": "0.0–0.4", "count": 0, "current": false }, { "range": "0.4–0.8", "count": 0, "current": false }, { "range": "0.8–1.2", "count": 0, "current": false }, { "range": "1.2–1.6", "count": 0, "current": false }, { "range": "1.6–2.0", "count": 0, "current": false }, { "range": "2.0–2.4", "count": 0, "current": false }, { "range": "2.4–2.8", "count": 3, "current": false }, { "range": "2.8–3.2", "count": 8, "current": true }, { "range": "3.2–3.6", "count": 3, "current": false }, { "range": "3.6–4.0", "count": 4, "current": false } ] } } ] ``` ### terms #### 1074 ##### term 1074 ##### gpa 3.0454545454545454 ##### count 22 ##### departments | subject | comparison | | ------- | ---------- | | GEOSCI | | #### 1084 ##### term 1084 ##### gpa 3.078125 ##### count 32 ##### university ###### size 720 ###### gpa Percentile 23 ###### count Percentile 5 ###### median Count 70 ###### histogram | range | count | current | | ------- | ----- | ------- | | 0.0–0.4 | 0 | false | | 0.4–0.8 | 0 | false | | 0.8–1.2 | 0 | false | | 1.2–1.6 | 0 | false | | 1.6–2.0 | 0 | false | | 2.0–2.4 | 3 | false | | 2.4–2.8 | 45 | false | | 2.8–3.2 | 207 | true | | 3.2–3.6 | 248 | false | | 3.6–4.0 | 217 | false | ##### departments | subject | comparison | | ------- | ---------- | | GEOSCI | | #### 1094 ##### term 1094 ##### gpa 3.0434782608695654 ##### count 23 ##### departments | subject | comparison | | ------- | ---------- | | GEOSCI | | #### 1104 ##### term 1104 ##### gpa 3.22972972972973 ##### count 37 ##### university ###### size 793 ###### gpa Percentile 35 ###### count Percentile 16 ###### median Count 66 ###### histogram | range | count | current | | ------- | ----- | ------- | | 0.0–0.4 | 0 | false | | 0.4–0.8 | 0 | false | | 0.8–1.2 | 0 | false | | 1.2–1.6 | 0 | false | | 1.6–2.0 | 0 | false | | 2.0–2.4 | 4 | false | | 2.4–2.8 | 49 | false | | 2.8–3.2 | 205 | false | | 3.2–3.6 | 294 | true | | 3.6–4.0 | 241 | false | ##### departments | subject | comparison | | ------- | ---------- | | GEOSCI | | ### benchmarks #### all ##### school ###### size 1660 ###### gpa 3.5129491487438975 ###### top Share 72.5908475571428 ###### count 95 ##### GEOSCI ###### size 18 ###### gpa 3.2399816956896923 ###### top Share 55.193179587942375 ###### count 100.5 #### terms ##### 1074 ###### school ###### size 695 ###### gpa 3.3616924722887376 ###### top Share 63.22509110105764 ###### count 69 ##### 1084 ###### school ###### size 720 ###### gpa 3.3670742938849725 ###### top Share 63.42064564712246 ###### count 70 ##### 1094 ###### school ###### size 758 ###### gpa 3.3891454428111527 ###### top Share 64.36369814389255 ###### count 71 ##### 1104 ###### school ###### size 793 ###### gpa 3.384661458923085 ###### top Share 64.6614752434143 ###### count 66 ## instructor Trends ```json [ { "uid": "instructor_4d06bd94ed86c780f96cc923", "name": "HUIFANG XU", "count": 114, "terms": [ { "term": "1074", "count": 22, "sections": 1, "gpa": 3.0454545454545454 }, { "term": "1084", "count": 32, "sections": 1, "gpa": 3.078125 }, { "term": "1094", "count": 23, "sections": 1, "gpa": 3.0434782608695654 }, { "term": "1104", "count": 37, "sections": 1, "gpa": 3.22972972972973 } ] }, { "uid": "instructor_b5e006946bd892fb30e7c420", "name": "PHILIP BROWN", "count": 77, "terms": [ { "term": "1074", "count": 22, "sections": 1, "gpa": 3.0454545454545454 }, { "term": "1084", "count": 32, "sections": 1, "gpa": 3.078125 }, { "term": "1094", "count": 23, "sections": 1, "gpa": 3.0434782608695654 } ] }, { "uid": "instructor_542f4d667df5376accd331ee", "name": "BASIL TIKOFF", "count": 37, "terms": [ { "term": "1104", "count": 37, "sections": 1, "gpa": 3.22972972972973 } ] }, { "uid": "instructor_619a50857bc74074fac3fa33", "name": "TINA HILL", "count": 37, "terms": [ { "term": "1104", "count": 37, "sections": 1, "gpa": 3.22972972972973 } ] } ] ``` ## following None recorded.