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| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
| This mineral's age has not yet been recorded. |
| Amorphous | Analcime | Aragonite | Calcite | Chabazite | Gypsum | Harmotome | Natrolite | None | Not in a structural group |
| Quartz | Thomsonite | Vivianite |
| Analcime (*) | Aragonite (*) | Calcite (*) | Chabazite-Ca (*) | Chabazite-Na (*) |
| Gonnardite (*) | Gypsum (*) | Huntite (*) | Mesolite (*) | Natrolite (*) |
| Opal (*) | Phillipsite-Na (*) | Quartz (*) | Thomsonite-Ca (*) | Vivianite (*) |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Analcime (*) | Analcime | Na(AlSi2O6)·H2O | 3.96 | 2.23 | 4 | 14027,14032,14034,14035 | 1627 |
| Aragonite (*) | Aragonite | Ca(CO3) | 3.96 | 2.23 | 5 | 14024,14027,14029,14031,14032 | 3250 |
| Calcite (*) | Calcite | Ca(CO3) | 3.96 | 2.23 | 7 | 14024,14027,14029,14031,14032,14034,14035 | 27770 |
| Chabazite-Ca (*) | Chabazite | Ca2[Al4Si8O24]·13H2O | 2 | 14030,14034 | 310 | ||
| Chabazite-Na (*) | Chabazite | (Na3K)[Al4Si8O24]·11H2O | 3.96 | 2.23 | 6 | 14024,14027,14029,14030,14035,14036 | 66 |
| Gonnardite (*) | Natrolite | (Na,Ca)2(Si,Al)5O10·3H2O | 3.96 | 2.23 | 3 | 14024,14027,14029 | 167 |
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 3.96 | 2.23 | 1 | 14027 | 6890 |
| Huntite (*) | Not in a structural group | CaMg3(CO3)4 | 3.96 | 2.23 | 1 | 14027 | 69 |
| Mesolite (*) | Natrolite | Na2Ca2(Si9Al6)O30·8H2O | 2 | 14032,14034 | 425 | ||
| Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | 3.96 | 2.23 | 3 | 14024,14027,14029 | 1236 |
| Opal (*) | Amorphous | SiO2·nH2O | 3.96 | 2.23 | 1 | 14027 | 2994 |
| Phillipsite-Na (*) | Harmotome | Na6(Si10Al6)O32·12H2O | 3.96 | 2.23 | 4 | 14024,14027,14029,14030 | 27 |
| Quartz (*) | Quartz | SiO2 | 1 | 14034 | 61156 | ||
| Thomsonite-Ca (*) | Thomsonite | NaCa2(Al5Si5)O20·6H2O | 3.96 | 2.23 | 1 | 14027 | 452 |
| Vivianite (*) | Vivianite | Fe2+3(PO4)2·8H2O | 1 | 14034 | 636 |
| Age ID | Locality Notes |
|---|---|
| Giersdorf_00000274 | Cite specified as immediately to the north of Melbourne |
| Giersdorf_00000275 | Cite specified as immediately to the north of Melbourne |
| Giersdorf_00000276 | Location cited is referred to as west of the Merri Creek, the Corporation Quarries are immediately to the west of the Merri Creek and are also part of the Newer Volcanic Group |
| Giersdorf_00000277 | Location cited is referred to as west of the Merri Creek, the Corporation Quarries are immediately to the west of the Merri Creek and are also part of the Newer Volcanic Group |
| Giersdorf_00000278 | Location cited is referred to as west of the Merri Creek, the Corporation Quarries are immediately to the west of the Merri Creek and are also part of the Newer Volcanic Group |
| Giersdorf_00000279 | Location cited is referred to as west of the Merri Creek, the Corporation Quarries are immediately to the west of the Merri Creek and are also part of the Newer Volcanic Group |
| Giersdorf_00000280 | Location cited is referred to as west of the Merri Creek, the Corporation Quarries are immediately to the west of the Merri Creek and are also part of the Newer Volcanic Group |
| Excel ID | Max Age (Ma) | Min Age (Ma) | Age as listed in reference | Dating Method | Age Interpret | Prioritized? | Sample Source | Sample Num | Run Num | Age from other Locality | Dated Mineral | Minerals explicitely stated as having this age | Age applies to these Elements | MinDat Locality ID | Dated Locality (Max Age) | Location as listed in reference | Reference | Reference DOI | Reference ID | Age Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Giersdorf_00000274 | 1 | 0.84 | 0.92±0.08 | K-Ar | 87-187 | 276868 | Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Lalor | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | ||||||||||
| Giersdorf_00000275 | 0.76 | 0.68 | 0.72±0.04 | K-Ar | 87-189 | 276868 | Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Reservoir | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | ||||||||||
| Giersdorf_00000276 | 2.41 | 2.31 | 2.36±0.05 | K-Ar | lava flow | 87-193 | 64 | Corporation Quarries, Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Broadmeadows | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | One of three very similar samples of good quality with an average dated age of 2.31+/-0.03 that are thought to be from a single volcanic flow. The three samples in question (87-193, 211, and 213 respectively) were collected over a 15 km radius to the west of the Merri Creek | ||||||||
| Giersdorf_00000277 | 3.96 | 3.86 | 3.91±0.05 | K-Ar | lava flow | 87-194 | 64 | Corporation Quarries, Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Broadmeadows | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | One of two samples from poor-quality outcrops which lead the author to believe that there is an older volcanic flow underneath the area which sample 87-193 was collected. The samples from 87-183, 211, and 213 were all surface level rocks which were collected while the 194 and 195 samples were found in a more eroded outcrop. | ||||||||
| Giersdorf_00000278 | 3.86 | 3.76 | 3.81±0.05 | K-Ar | lava flow | 87-195 | 64 | Corporation Quarries, Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Broadmeadows | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | One of two samples from poor-quality outcrops which lead the author to believe that there is an older volcanic flow underneath the area which sample 87-193 was collected. The samples from 87-183, 211, and 213 were all surface level rocks which were collected while the 194 and 195 samples were found in a more eroded outcrop. | ||||||||
| Giersdorf_00000279 | 2.34 | 2.26 | 2.3±0.04 | K-Ar | lava flow | 87-211 | 64 | Corporation Quarries, Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Craigieburn | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | One of three very similar samples of good quality with an average dated age of 2.31+/-0.03 that are thought to be from a single volcanic flow. The three samples in question (87-193, 211, and 213 respectively) were collected over a 15 km radius to the west of the Merri Creek | ||||||||
| Giersdorf_00000280 | 2.33 | 2.23 | 2.28±0.05 | K-Ar | lava flow | 87-213 | 64 | Corporation Quarries, Clifton Hill, Collingwood, City Of Yarra, Victoria, Australia | Donnybrook | Gray et al. (2009) | 10.1080/08120090802547066 | AJES56_245 | One of three very similar samples of good quality with an average dated age of 2.31+/-0.03 that are thought to be from a single volcanic flow. The three samples in question (87-193, 211, and 213 respectively) were collected over a 15 km radius to the west of the Merri Creek |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
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