https://rzhou.com/field-photos daily 1.0 2020-05-24 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162464629-ZUP234ITKEW2SNBB2CYH/DSCN3771.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162463606-G4RAHUTSRICQVZOG1ZXG/DSCN4195.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162476773-9IKL0JHTLDMXZOSIL11U/DSCN4205.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162472244-EBDRN2P42PT7O6N908VV/DSCN4493.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162252143-JW0B66AL4F445H8Q9KIX/field-10.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162267621-QPNO0KSLLVIBTHTM7Z4C/field.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162445984-MUR79YJZWKG5SM57GNJW/IMG_0295.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581245155861-PNT8J1CKKGG36E00GQQB/IMG_0310.jpg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162620157-UARC3NNFHTX051GEZG8R/IMG_0313.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162478813-IFAZ7COAQTDLFK6NVSNZ/DSCN3722.JPG Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162604706-64AD1J3PA05DKIIOPCH6/IMG_3099.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162623483-6F2JYZSKR2HFRJOKRKIK/IMG_4083.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162579170-DUPC8PY0NBQNVL6VUHYS/IMG_4363.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581162623482-KIUUMZECL64PXIL82TGC/IMG_4388.jpeg Field photos 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https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581849083043-LZK5H477XRZFY69BLUHS/P1000932.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581849348575-4LQRU6NA697J23DMEKEG/P1000647.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581849324609-YNEMU214T8JKC3BKWZIK/P1000636.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1581849347648-NK99RUK416VFEGNDE8FE/P1000545.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1582449947212-H5TZV3OD0XLVYLJHTY0M/IMG_6994.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1582449973736-1ESDLM4SJWR83EYQI8B9/IMG_7059.png Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1582450036114-W1CRHOVJ9ZKF5CR9FRHD/IMG_7303.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1582450030588-7H350X221X7BNPVRJLKF/IMG_7648.jpeg Field photos https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1582450045638-FGE5M09AUOWDQZ76EKEE/IMG_8135.jpeg Field photos https://rzhou.com/erth3104-neo-trip-yarras daily 0.75 2020-09-14 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589178509769-JWJEX48941N3UHDG7PWU/distal%2Btuffaceous%2Bturbidites%2BYarras.jpg ERTH3104_NEO_field_trip_Yarras - Distal tuffaceous turbidites distal tuffaceous turbidites Yarras.jpg https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589362696037-98OATNSOE4Z5QS09CC1W/20190310_143456.jpg ERTH3104_NEO_field_trip_Yarras - An outcrop photo of tuffacous turbitites (Photo by S. Perera) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589363206669-M0LSK6IK4NKMBLSZHZBG/20190310_143231.jpg ERTH3104_NEO_field_trip_Yarras - Minor faults running sub-parallel to the bedding. (Photo by S. Perera) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589362829980-U2AQN2BLPV0S6GMVJGHJ/20190310_142935.jpg ERTH3104_NEO_field_trip_Yarras (Above) Outcrop along the road at Yarras. (Photo by S. Perera) Click here to enter 360 view. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589165655192-C32FELKBQL8V5BTND3A1/tuff+turbidite+Yarras.jpg ERTH3104_NEO_field_trip_Yarras - Distal tuffaceous turbidites (close up) tuff turbidite Yarras.jpg (Photo by J. Aitchison) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589372775409-AAYLR8TS1ARSW4EPJ4T3/P1060850.JPG ERTH3104_NEO_field_trip_Yarras (Above) Distal tuffaceous turbidites. (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589287445971-DJZCEZK0WST125XCEUCK/Gondwana+Ages+copy.jpg ERTH3104_NEO_field_trip_Yarras (Above) Detrital zircon age compilation (over 37,000 ages) for across Gondwana (from Voice et al., 2011, The Journal of Geology). You’re given a detrital zircon age dataset for these sediment. Analyze them using IsoplotR and Excel, and plot age histogram or KDE (kernel density estimate). https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589262365935-QHWVYNBC12WS67FCBP8U/Yarras_Taylor_Winckle-The_southern_New_England_Orogen_New_South_Wales.jpg ERTH3104_NEO_field_trip_Yarras - An outcrop photo of tuffacous turbitites (Photo by T. Winckle) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589363065507-G9HKEC6QEZU8MJMW0H02/20190310_143647.jpg ERTH3104_NEO_field_trip_Yarras - Minor faults running sub-parallel to the bedding. The small ziplock bag was used for micropaleontological sampling. (Photo by S. Perera) https://rzhou.com/erth3104-neo-trip-red-rock daily 0.75 2020-05-14 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589374121404-6QB14ZJGPHZUC2NJZFRI/P1060923.JPG ERTH3104_NEO_field_trip_Red_Rock (Above) Basaltic breccia at Red Rock (Photo by Y. Chen). https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589279925370-F92OLA360HM7E45J3OP7/IMG_8787.jpeg ERTH3104_NEO_field_trip_Red_Rock (Above) Folded red chert at Red Rock. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589374364259-EVC3PQD9CJUUQXSOUEWH/P1060920.JPG ERTH3104_NEO_field_trip_Red_Rock (Above) A tilted section of red ribbon chert. (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589100193605-X2Z9EYLRBOT4SUPYWYMK/Bloodrock_Massacres_Plaque.JPG ERTH3104_NEO_field_trip_Red_Rock - A plaque at Red Rock commemorating the Bloodrock Massacres (Photo from Wikipedia) Learn more about the Aboriginal history of the Coffs Harbour region brought to us by the Coffs Harbour City Library. [Download the report in PDF] https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589165278415-1XCZX40TLM5Q4B8S1UGA/basaltic+breccia+at+red+rock.jpg ERTH3104_NEO_field_trip_Red_Rock (Above) Basaltic breccia at Red Rock (Photo by J. Aitchison). Click here to enter 360 view. This outcrop is located next to the lifebuoy (shown both in this photo and the 360 view). Note the greenish yellow unit (near vertical) in this outcrop. What do you think it is? Is it a later sill or in sequence with these breccia? How could you tell? Hint: there is no way to tell from the photo - field work is irreplaceable! https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589374232369-LJCLOMZYK1B0MYL6B7LE/P1060917.JPG ERTH3104_NEO_field_trip_Red_Rock (Above) A faulted section of red ribbon chert. (Photo by Y. Chen) https://rzhou.com/erth3104-neo-trip-oxley-lookout daily 0.75 2020-05-18 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589246417697-CBD9UTXE0UVKZSESNWLI/NewEngland_500k.jpg ERTH3104_NEO_field_trip_oxley_lookout (Above) New England 1:500k map sheet (Click to download: legend and original map) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589163758831-ERGF3UE4VHSR2ZLK2JLZ/2019-11-02+05-04-24.JPG ERTH3104_NEO_field_trip_oxley_lookout (Above) A view towards the Tamworth Belt to the west. Could you locate this site and the Tamworth Belt on the geological map? Which units (and ages) does the Tamworth Belt have? Click here to enter 360 view. https://rzhou.com/erth3104-neo-trip-main daily 0.75 2020-09-07 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589322036635-O0DCX5XDAJRMS91XGU0H/Title.JPG ERTH3104_NEO_field_trip_main https://rzhou.com/erth3104-neo-trip-chaffey-dam daily 0.75 2020-05-13 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589371447767-L5WGHTHQ39VMYKHS0VC2/P1060763.JPG ERTH3104_NEO_field_trip_chaffey_dam (Above) Intensely deformed chert. (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589283962921-XVR0LHTTT3J9RU1221VW/IMG_8429_Chaffey.jpeg ERTH3104_NEO_field_trip_chaffey_dam (Above) An overview of the road cut. Note that the OPS slices are all near vertical with near parallel bedding and foliation. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589171713046-X1BX0IOFHXJXBRC2VM48/OPS2%2BChaffey%2Bdam.jpg ERTH3104_NEO_field_trip_chaffey_dam (Above) OPS outcrop at Chaffey Dam (Photo by J. Aitchison) Click here to enter 360 view. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589284164270-THW1BBQ3AIHZLHFNLV03/IMG_8440Chaffey.jpeg ERTH3104_NEO_field_trip_chaffey_dam (Above) A close-up look a this outcrop. The green layer is an altered basalt. The red layer (right to the green layer) is a red chert. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589247256663-TWUVL8EKQASYI2M1H1W4/IODP+362+%27modern%27+rads_Kachovich.png ERTH3104_NEO_field_trip_chaffey_dam - Dating OPS: The most commonly used method to date the OPS is micropaleontology (biostratigraphy). Radiolarians are silica-secreting, single-celled protists that dwell in open-ocean locations. They occur throughout the water column from near surface to great depths since the Paleozoic. Radiolarians could be extracted from marine facies rocks, including red ribben chert, limestone and even mudstone, of which chert is the most common rock type. Photo to the left shows several examples of modern radiolarians. Each of them is about 100-200 micrometres in size! (Photo by S. Kachovich) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589284316123-M5CGVEXL4X87IR0BZVWU/IMG_8426+Chaffey.jpeg ERTH3104_NEO_field_trip_chaffey_dam (Above) A deeply weathered layer of rocks (a fine-grained mafic igneous rock) highlighting the difference in rock types within OPS. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589371530414-TOQ3W4HTH1N5VT2D6H0T/P1060767.JPG ERTH3104_NEO_field_trip_chaffey_dam (Above) Isoclinal folds in chert. (Photo by Y. Chen) https://rzhou.com/erth3104-neo-trip-moonbi-lookout daily 0.75 2020-05-18 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589251066825-IWI5G61BEUORYPN8C56Y/part-of-view-from-moonbi.jpg ERTH3104_NEO_field_trip_MoonbiLookout (Above) A view to the south at the Moonbi Lookout. Click here to enter 360 view. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589251315322-TFUCTRVO98K6PAX6ORRM/Moonbi_Dean_Monteiro-Dean_Monteiro_Final_Report_ERTH3104.jpg ERTH3104_NEO_field_trip_MoonbiLookout - A close-up look at rocks at the Moonbi Lookout (Photo taken by D. Monteiro) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589265568988-AZ7FGP40O323Y67VQXNX/mafic+enclave.jpg ERTH3104_NEO_field_trip_MoonbiLookout - Mafic enclaves The present of mafic enclaves in these rocks implies that these granites may have formed from an igneous source. https://rzhou.com/erth3104-neo-trip-peel-faut daily 0.75 2020-05-18 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589174731599-EGRZ0W8NJHOERZZHERXL/grqss%2Btrees%2B-%2Bvegetation%2Banomaly%2Bon%2Bserp.jpg ERTH3104_NEO_field_trip_peel_fault - “Anomalous” vegetation on serpentinite/ultramafic rocks In eastern Australia, ‘grass trees or xanthorrhoea‘ (habitant of high Mg soils) are found on ultramafic or serpentinite landscape, providing a unique marker for such lithologies. (Photo by J. Aitchison) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589281382632-EJQ0FP3IBNDCQ3PK9JNQ/IMG_8455.jpeg ERTH3104_NEO_field_trip_peel_fault (Above) A close-up photo at the outcrop. Right side in this photo is serpentinite, characterized by scaly fabrics. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589106098080-PQBVUWLLRB8BZCQOPGVQ/IMG_8528.jpeg ERTH3104_NEO_field_trip_peel_fault - Is the Peel Fault still (seismically) active? This photo was taken facing the Peel Fault along the Cobbadah Road (B95) between Bingara and Upper Bingara. Triangular facets suggest possible Quaternary displacement along this fault. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589281811142-8Y9K1ZZJ00MZUWJHYI6Y/IMG_8454.jpeg ERTH3104_NEO_field_trip_peel_fault (Above) Outcrop of the serpentinite matrix melange. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589165608615-297BO40IXJTYLT8GZ6AN/Peel%2BFault%2BChaffey%2BDam.jpg ERTH3104_NEO_field_trip_peel_fault (Above) Serpentinite matrix melange marks the location of the Peel Fault. (Photo by J. Aitchison) Click here to enter 360 view. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589175239181-T10VQIQ8HQ80TYP7UWS6/IMG_9881.jpg ERTH3104_NEO_field_trip_peel_fault (Above) A landscape covered with grass trees. (Photo by R. Zhou) https://rzhou.com/erth3104-neo-trip-background daily 0.75 2020-05-18 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589243332493-U6VGFFZ8823O9JR77F1L/Fig+4+-+UQ+NEO+tectonics+field+excursion+guide_v3.jpg ERTH3104_NEO_field_trip_geol_background Two dimensional cartoon-style model for the development of the New England Orogen (Offler and Murray, 2011). https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589245776510-68ND5M5DK9PMOAAB09CC/Ophiolite_UQ+NEO+tectonics+field+excursion+guide_v3.jpg ERTH3104_NEO_field_trip_geol_background (LEFT) Columnar section showing the upper mantle and crustal components of a generalized suprasubduction zone ophiolite. (RIGHT) Field photographs; a photo illustrating a component of a given unit has the same letter as the unit in the section. Photos (a) and (b) banded and folded harzburgite (olivine + orthopyroxene); (c) layered cumulates of dunite (yellow) and wehrlite (olivine + clinopyroxene; dark); (d) layered and folded gabbro; (e) varitextured gabbro; (f) gabbro cut by basaltic and felsic intrusions; (g) sheeted dike complex; (h) volcanic breccia with a hyaloclastic matrix; (i) pillow lava; (j) massive andesitic lava fl ow; (k) folded chert layers. Locations of photos: (a–c, i): Leka ophiolite, Norway; (d): Karmøy ophiolite, Norway; (e–h): Solund-Stavfjord ophiolite, Norway; (j, k): Mirdita ophiolite, Albania. Chpyr = chalcopyrite, H/D = harzburgite/ dunite, H = harzburgite, L = lherzolite, Lmst = limestone, Opx veins = orthopyroxenite veins, Pyr = pyrite. From (Dilek and Furnes, 2011). https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589244899814-UAEISWK3D8JKSRF2VG98/NEO_Terranes_UQ+NEO+tectonics+field+excursion+guide_v3.jpg ERTH3104_NEO_field_trip_geol_background Tectonostratigraphic terrane map of New England (Flood and Aitchison, 1988) – see 1988 New England Orogen Tectonics and Metallogenesis, University of New England, Armidale conference volume (free download from ResearchGate). https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589243588187-NRQBVGZDSZ9KHQMP4LE0/NewEngland_500k.jpg ERTH3104_NEO_field_trip_geol_background New England 1:500k map sheet (Click to download: legend and original map) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589244568040-GLC96B6UVW18OXIAKK77/Andean-type-model.JPG ERTH3104_NEO_field_trip_geol_background 2D cartoon for the Continental convergent margin https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589245679420-K1MJW7TJC0BBHA7V25NH/Fig_9_UQ+NEO+tectonics+field+excursion+guide_v3.jpg ERTH3104_NEO_field_trip_geol_background Granite suites of the southern New England orogen (variously after Bryant; Chappell, 1978; Chappell and White, 1974; Chappell and White, 2001). https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589242745330-7I8H6YNDHVZ40HDBRUVB/OPS.jpg ERTH3104_NEO_field_trip_geol_background Cartoon of OPS development from Kusky et al (2013). https://rzhou.com/erth3104-neo-trip-barry-road-gamilario daily 0.75 2020-05-13 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589176505995-OE4VHREJGNEGD7KG2OB1/IMG_8471c.jpg ERTH3104_NEO_field_trip_Barry_Road_Gamilario (Above) Fossiliferous limestone within this section. Visible fossils in this photo are corals. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589177294522-05DFYR1F3M2B42TER8R4/Basat_n_limstone_Nundel-+CPSDanielle_Janz-ERTH3104_FieldReport_Danielle_Janz.jpg ERTH3104_NEO_field_trip_Barry_Road_Gamilario - Contact between the limestone (left) and basalt (right) Thin section 19BA01 was taken from this basalt. (Photo by D. Janz) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589254936979-3VXL2V3RAASQGG6MH4XN/NEO+Devoian+radiolarians.jpg ERTH3104_NEO_field_trip_Barry_Road_Gamilario - Devonian radiolarians (Scale bar is 100 micrometres) from the Gamilario Terrane. (Plate by J. Aitchison) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589177043430-KUCR2IIX7R6EGNG9BHJA/IMG_8476.jpg ERTH3104_NEO_field_trip_Barry_Road_Gamilario (Above) Pillow basalt within this section. Note the pillow structure close to the hammer. (Photo by R. Zhou) https://rzhou.com/erth3104-neo-trip-tia-granodiorite daily 0.75 2021-05-04 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589268150675-X797XKEVCXZMSZ1ZGOKQ/zircon+question.jpg ERTH3104_NEO_field_trip_Tia_Cotley_Creek (Above) Cathodoluminescence (Cl) images of zircon. Zircon are from a granite sample taken from the Tia granodiorite. U/Pb ages were measured at the spots labelled with laser abaltion techniques. You are provided with the U-Pb age data for these zircon. Click to download the Excel data file. What could you tell about the timing of magmatism with these data? https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589768070133-6LHEJ8ZAKONCFQZ0UZTF/tor22.png ERTH3104_NEO_field_trip_Tia_Cotley_Creek - Granite landscape - Tor Tors develop in areas where granites (general) dominate. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589281121414-P75UOO1URUZZIKUMU3F7/TOR.jpg ERTH3104_NEO_field_trip_Tia_Cotley_Creek -  Tors form as weathering preferentially works along the joints. (Illustration by S. Marshak) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589254713406-X19UAI891SF41AI5XEZR/IMG_8408.jpeg ERTH3104_NEO_field_trip_Tia_Cotley_Creek - Field photo from this site (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589266557680-MXGCBL72P9C5I3726UAL/two-mica+granite+NEO.jpg ERTH3104_NEO_field_trip_Tia_Cotley_Creek - Two-mica granite (an S-type granite) (Photo by J. Aitchison) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589266817036-TDIFTIY9PJUP374GTMWJ/exfoliating.JPG ERTH3104_NEO_field_trip_Tia_Cotley_Creek - Exfoliation Exfoliation is another type of common weathering for granites. It takes place during the unroofing of these deeply burried rocks. https://rzhou.com/erth3104-neo-trip-intro daily 0.75 2020-05-16 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589180725288-H6XGRZO2WXJLOAHREF1T/800px-Australian_Aboriginal_Flag.svg.png ERTH3104_NEO_field_trip_trip_intro - Naming terranes in New England Orogen You may have already noticed that many of the terrane names (Gamilaroi, Anaiwan, Weraerai, Djungati, and others) are not English. They are named by early mappers (in the 80s) after the names of aboriginal tribes that have lived in similar regions. Check out more from AIATSIS. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589241766172-7J7OIQ7QMLNZUG9ZY6G4/676b2b99-b95f-4e35-b934-2e546705febe.jpg ERTH3104_NEO_field_trip_trip_intro - Have a trip by yourself post-COVID? The following resources would be useful. Collection of geological maps of NSW NSW Geological Map mobile app Interactive Geological Map of NSW SIX Maps - high-resolution images of NSW https://rzhou.com/erth3104-neo-trip-flynns-beach daily 0.75 2020-05-24 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589164735941-VQ47859USQX4DZWDR9H9/Port+Macquairy+18_Pillow.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) Pillow basalt (surface morphology). (Photo by C. Fu) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589283627288-16K143Q1CWFXNMAK7P9E/IMG_8780.jpeg ERTH3104_NEO_field_trip_Flynns_Beach - Minor fault plane coated with secondary minerals (slickenline) (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589373980255-Q0C6EUBH2VN40GSAW10U/P1060885.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) A chert block in the melange. (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589283539217-PTMSVNPC84ZYXCV2207Y/IMG_8777.jpeg ERTH3104_NEO_field_trip_Flynns_Beach - Minor fault plane coated with secondary minerals (slickenline) (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589256310893-WVN75XV7HSWGDRZJXHVH/Port+Macquairy+06.jpg ERTH3104_NEO_field_trip_Flynns_Beach - Melange matrix https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589282067934-5540II6I62ZGH8VUAAZR/PM_Chert_FOLD_Geological_Background.jpg ERTH3104_NEO_field_trip_Flynns_Beach - Folded chert block within this melange https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589164942814-WW3MSD1MF99DO28EP2CY/Port+Macquairy+27.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) Hydrothermal red chert (called ‘Jasper‘) infilling between pillows. Would you expect to find any radiolarians in these cherts? (Photo by C. Fu) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589373884820-BWIERID90T989EXDLHW1/P1060878.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) A gabbro block in the melange. (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589282420638-QFBXEAD9VL77P0G2M1YJ/PM_Walk.png ERTH3104_NEO_field_trip_Flynns_Beach There is a geological walk developed along the coast of Port Macquarie. Check it out next time you’re there! Here is a guide. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589164075793-W6GGZ0TYB5DK3RG4418I/2019-11-04+04-37-27.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) Pillow basalt. Could you tell the original upside direction? (Photo by C. Fu) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589255853066-LHHXOTKRBGR2Q6GZDD7T/Port+Macquairy+32.JPG ERTH3104_NEO_field_trip_Flynns_Beach https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589104247799-TJCLQ18YZXDJXYAMCAL6/IMG_8775.jpeg ERTH3104_NEO_field_trip_Flynns_Beach (Above) Pillow basalt (photo taken facing south). (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1590317882029-E4DKTD5KRJXKHP8YKILK/DSCN1680.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) A chert block (an isoclinal fold) in the melange. (Photo by R. Zhou) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589256123409-P2NO49RV4VROLVZ8VKU4/Port+Macquairy+34.JPG ERTH3104_NEO_field_trip_Flynns_Beach (Above) Serpentinite matrix melange with smaller blocks. Blocks are mostly serpentinized ultramafic rocks. https://rzhou.com/erth3104-neo-trip-lighthouse-beach daily 0.75 2020-05-14 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589285491501-Z457KGHGILI9OGTSC0GV/Gabbro_by_Buckman.jpg ERTH3104_NEO_field_trip_Lighthouse_Beach - Tacking Point Gabbro cut by dolerite dykes (Photo by S. Buckman) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589373008160-3RT08BY7HW5X1YPM0090/P1060860.JPG ERTH3104_NEO_field_trip_Lighthouse_Beach (Above) Serpentinited harzburgite (relict mineral layers are visible.) (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589373551826-1LQ2A85FKJD5FDH88BOX/P1060867.JPG ERTH3104_NEO_field_trip_Lighthouse_Beach (Above) A localized fault zone filled with serpentinite, faulted agaist green chert layers (lower part) (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589288194250-8XJW4NUO9RJGWKL65DRT/Ben%27s_Chair%2C_Lighthouse_Beach_Port_Macquarie.JPG ERTH3104_NEO_field_trip_Lighthouse_Beach - A view of the light house from a distance. (Image from Internet). Outcrops could be found right beneath the viewing area. Click here to enter 360 view. Note that you could follow this route and “walk“ all the way down to the beach to see these rocks! https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589373297343-XDXB7LMKXAM2LY1LDIFN/P1060863.JPG ERTH3104_NEO_field_trip_Lighthouse_Beach (Above) Serpentinite matrix. (Photo by Y. Chen) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589285605774-0TW9TBGDYYY1JCEIMKET/IMG_9899.jpeg ERTH3104_NEO_field_trip_Lighthouse_Beach (Above) View towards the exposed rocks at Lighthouse Beach towards the north. https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589325853981-KLVCTB0EO2OYIYWCSPWB/buckman.JPG ERTH3104_NEO_field_trip_Lighthouse_Beach - Tacking Point gabbro showing evidence of magmatic mingling between coarse-grained leucocratic- and melanocratic-gabbro components (Photo by S. Buckman) https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/1589373409392-X8ME6H19KZFL9WZ1U12H/P1060865.JPG ERTH3104_NEO_field_trip_Lighthouse_Beach (Above) A serpentinite/ultramafic block (dark coloured) (Photo by Y. Chen) https://rzhou.com/erth3104_neo_field_trip_refs daily 0.75 2020-05-12 https://rzhou.com/tag2020 daily 0.75 2020-12-15 https://rzhou.com/erth1501_nonsilicate_minerals daily 0.75 2021-03-10 https://rzhou.com/erth3104_neo_field_trip_refs2 daily 0.75 2021-04-17 https://rzhou.com/photos daily 0.75 2021-05-29 https://rzhou.com/download daily 0.75 2022-03-23 https://images.squarespace-cdn.com/content/v1/5ddbecae962f4f6e489ff4a8/4970d9a3-d96b-414e-8603-a592f23171f5/2022_BBS_poster_A4.jpg download