Rush, William; Self-Trail, Jean; Zhang, Yang; Sluijs, Appy; Brinkhuis, Henk; Zachos, James C; Ogg, James G; Robinson, Marci M (2023): Magnetic workbook of Knapps Narrows sediment core from the Eastern Shore of Maryland [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.957705, In: Rush, W et al. (2023): Knapps Narrows Calcareous Nannofossil Biozonation over ETM2 and H2 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.957710
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Published: 2023-05-23 • DOI registered: 2023-06-21
Keyword(s):
Benthic foraminifera; benthic foraminifera isotopes; Benthic foraminiferal stable isotopes; benthic foraminifera stable isotopes; calcareous nannofossil; Calcareous nannofossils; Clay minerals; d13C; d18O; Dinoflagellate cysts; ETM2; Gamma-ray spectrometry; Maryland; nannofossil; nannofossils; Paleomagnetic data; paleomagnetism; TEX86
Funding:
European Research Council (ERC), grant/award no. 771497: Evolution and Variability of Climate Sensitivity and Polar Amplification during CeNozoic Warm Climates (SPANC)
National Science Foundation (NSF), grant/award no. OCE-1658017: Collaborative Research: An Eocene perspective on future recovery rates of climate and ocean chemistry
National Science Foundation (NSF), grant/award no. OCE-2103513: Accomplishment Based Renewal: Intensification of the Hydrologic Cycle during the Paleocene-Eocene Thermal Maximum
Coverage:
Latitude: 38.721290 * Longitude: -76.331620
Date/Time Start: 2017-01-15T00:00:00 * Date/Time End: 2017-08-02T00:00:00
Minimum DEPTH, sediment/rock: 42.99 m * Maximum DEPTH, sediment/rock: 110.22 m
Event(s):
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
292 data points
Data
| 1 Date/Time | 2 Sample ID | 3 Depth sed [m] | 4 Polarity | 5 Sample comment | 6 Lithology |
|---|---|---|---|---|---|
| 2017-01-15 | KN1 | 42.99 | R; stayed pointing UP with intensity slightly increased at 100-150C and then decreased again until noisy-looking at 250C | IODP tubes; BOX 15 | Sandstone. Glauconite and phosphate-rich. |
| 2017-01-15 | KN2 | 44.17 | INT | IODP tubes; BOX 15 | |
| 2017-01-15 | KN3 | 48.91 | INT | IODP tubes; BOX 16 | Sandstone; Glauconitic, bioturbated and massive; clay commonly in thin stringers |
| 2017-01-15 | KN4 | 49.77 | INT | IODP tubes; BOX 16 | |
| 2017-01-15 | KN5 | 51.05 | INT | IODP tubes; BOX 17 | Sandstone; Glauconitic, massively bioturbated and common clay-lined burrows |
| 2017-01-15 | KN6 | 52.85 | INT | IODP tubes; BOX 17 | |
| 2017-01-15 | KN50 | 53.23 | INT | ||
| 2017-01-15 | KN51 | 53.55 | INT | ||
| 2017-01-15 | KN7 | 53.84 | INT | IODP tubes; BOX 18 | Sandstone; Glauconitic, massively bioturbated and common clay-lined burrows |
| 2017-01-15 | KN52 | 54.03 | INT | ||
| 2017-01-15 | KN53 | 54.28 | INT | ||
| 2017-01-15 | KN54 | 54.48 | did ARM with Mag Susc increasing at 420-430C. strong. Stayed Pointing UP. INT | ||
| 2017-01-15 | KN55 | 54.79 | INT | ||
| 2017-01-15 | KN8 | 55.14 | INT | IODP tubes; BOX 18 | Calvert Fm |
| 2017-01-15 | KN56 | 55.72 | R? | ? | |
| 2017-01-15 | KN57 | 55.93 | INT | ||
| 2017-01-15 | KN58 | 56.30 | strong. Stayed Pointing UP while slightly shallowing. Steps after 450C are odd and may not be used here. R? | ||
| 2017-01-15 | KN59 | 58.11 | did ARM with Mag Susc increasing at 420-430C. strong. Stayed Pointing UP and clustering until 420C and then began scattering but a bit noisy. R? | ||
| 2017-01-15 | KN60 | 58.31 | strong. Stayed Pointing UP and clustering until 450C, then became noisy with instensity stable . R? | ||
| 2017-01-15 | KN9 | 58.58 | Plunge=90; corrected. Strong, stayed Pointing UP and slightly steeper. Potential R? | IODP tubes; BOX 19 | Sandstone; Glauconitic, massively bioturbated |
| 2017-01-15 | KN61 | 58.80 | strong. Pointing UP. | ||
| 2017-01-15 | KN10 | 58.98 | Plunge=90; corrected. Strong, Pointing UP. But potential R? with INCL at ~40 deg. Similar to KN9 | IODP tubes; BOX 19 | |
| 2017-01-15 | KN62 | 59.25 | strong. Stayed Pointing UP and clustering until 450C, then became noisy with instensity stable . R? | ||
| 2017-01-15 | KN63 | 59.38 | strong. Stayed Pointing UP and clustering until 500C to move from 'NE' to 'SE'. R? | ||
| 2017-01-15 | KN11 | 59.65 | Plunge=90; corrected. Relatively strong, Pointing UP, COUNTERclockwise shift from NRM until 300C and then turned positive Incl at 325C. Stayed Positive since then but a bit noisy-looking due to lower intensity. Potential N?? | IODP tubes; BOX 20 | Sandstone; clay content increases, greenish black, massive and bioturbated |
| 2017-01-15 | KN64 | 59.95 | INT | ||
| 2017-01-15 | KN65 | 60.17 | INT | ||
| 2017-01-15 | KN66 | 60.38 | strong. Stayed Pointing UP and clustering until the last step 575C. R? | ||
| 2017-01-15 | KN12 | 60.59 | INT Plunge=90; corrected. Relatively strong, Pointing UP but clustering. Slightly shifting Clockwise. Potential R? but with a rather shallow Incl. | IODP tubes; BOX 20 | |
| 2017-01-15 | KN67 | 61.04 | INT strong. Stayed Pointing UP and clustering until 450C to shallow by 20 deg but noisy looking afterwards, thus not to be considered. | ||
| 2017-01-15 | KN68 | 61.33 | INT strong. Stayed Pointing UP and became noisy looking after 450C. | ||
| 2017-01-15 | KN69 | 61.60 | INTstrong. Stayed Pointing UP and clustering until 525C but became noisy and thus not considered here. | ||
| 2017-01-15 | KN13 | 61.84 | NP Relatively strong, Pointing Down but clustering. No sign to be shallowing or flip over. Potential N?. | IODP tubes; BOX 21 | Sandstone; massively bioturbated; evidence of drilling mud injection (biscuits). Greenish black |
| 2017-01-15 | KN70 | 62.03 | INT--flat | ||
| 2017-01-15 | KN71 | 62.24 | NPP strong. Stayed Pointing DOWN while clustering until the last step 575C. N? but with relatively shallow Incl at ca. 25 deg. | ||
| 2017-01-15 | KN72 | 62.47 | strong. Pointing DOWN but almost horizontal, until flipped over at 450-475C and then turned back down-pointing at 500C while almost dying. Hard to decide but call N? considering the context | ||
| 2017-01-15 | KN73 | 62.74 | did ARM with Mag Susc increasing at ~470C. strong. Pointing DOWN. Steps after 420C became noisy and suspicious. N? | ||
| 2017-01-15 | KN74 | 62.94 | strong. Stayed Pointing DOWN and clustering until 350C and then became noisy-looking. N? | ||
| 2017-01-15 | KN75 | 63.15 | Not as strong. Stayed Pointing DOWN while became noisy looking after 350C. N? | ||
| 2017-01-15 | KN14 | 63.46 | Plunge=90; corrected. Relatively strong, Pointing Down but clustering; similar to KN13. Potential N? | IODP tubes; BOX 21 | |
| 2017-01-15 | KN15 | 64.53 | NP. Clustered but very shallow | IODP tubes; BOX 22 | Sandstone; Bioturbation intense--numerous clay lined burrows; greenish black. |
| 2017-08-02 | KN2-1 | 65.01 | INT Flipped over at 100C and shifted toward East | BOX 22 | ? |
| 2017-08-02 | KN2-2 | 65.32 | R? | BOX 22 | Nanjemoy Fm |
| 2017-08-02 | KN2-3 | 65.62 | N? With steeper INCL | BOX 22 | |
| 2017-01-15 | KN16 | 67.21 | INT | IODP tubes; BOX 22 | |
| KN2-4 | 67.27 | N? but Incl so shallow--almost flat | BOX 22 | ||
| 2017-01-15 | KN76 | 67.85 | INT Very weak. Pointing UP. Only NRM | ||
| 2017-01-15 | KN17 | 68.14 | INT. Too weak. Died at 120C. Positive NRM-100-120C but with shallow INCL, bouncing all over. | IODP tubes; BOX 23 | Sandstone; Bioturbation intense--numerous clay lined burrows; greenish black. |
| 2017-01-15 | KN77 | 68.40 | INT. Pointing DOWN but almost horizontal. Only two steps? | ||
| 2017-01-15 | KN78 | 68.66 | INT. Pointing DOWN at ca. 23 deg. ONLY NRM | ||
| 2017-01-15 | KN79 | 69.05 | INT. Pointing UP but almost horizontal. ONLY NRM | ||
| 2017-01-15 | KN18 | 69.28 | R? Flipped over at 100C but shallow | IODP tubes; BOX 23 | |
| 2017-01-15 | KN80 | 69.56 | INT. ONLY NRM | ||
| 2017-01-15 | KN81 | 69.86 | INT. ONLY NRM did ARM with Mag Susc increasing at ~520C.Weak. Pointing UP but near horizontal | ||
| 2017-01-15 | KN19 | 71.08 | R? If take only NRM-1st 100C | IODP tubes; BOX 24 | Sandstone; Bioturbation intense--numerous clay lined burrows; greenish black. |
| 2017-01-15 | KN20 | 71.89 | R? Plunge=90; corrected. Relatively strong. Flipped over from UP to DOWN at 120C. Shifting Clockwise. flipped over at 300C with intensity dropped by two magnitudes and then increased at 475C | IODP tubes; BOX 24 | |
| 2017-01-15 | KN21 | 73.64 | INT. Stayed almost flat while moving wildly | IODP tubes; BOX 25 | Sandstone; Glauconitic, greenish black |
| 2017-01-15 | KN22 | 74.86 | NP. Intensity slight increased after 120C. | IODP tubes; BOX 25 | |
| 2017-01-15 | KN23 | 75.29 | INT. Bouncing all over | IODP tubes; BOX 26 | Sandstone; Glauconitic, greenish black |
| 2017-01-15 | KN24 | 76.41 | INT. No trend but kept pointing down with steep incl | IODP tubes; BOX 26 | |
| 2017-01-15 | KN25 | 77.63 | NP. Turned positive upon heating. Steps after 150C are not considered due to the surge of intensity | IODP tubes; BOX 27 | Sandstone; Glauconitic, greenish black |
| 2017-08-02 | KN2-5 | 77.85 | INT. Intensity increased upon heating | BOX 27 | |
| 2017-01-15 | KN39 | 77.98 | INT. AF demag. Started from negative incl until 27mT and then became noisy and odd | IODP cubes; Box 27 | Sandstone; Glauconitic, greenish black |
| KN2-6 | 78.39 | INT. Oddly behaving | BOX 27 | ||
| 2017-01-15 | KN26 | 78.73 | INT. Oddly behaving in until 150C | IODP tubes; BOX 27 | |
| 2017-08-02 | KN2-7 | 78.79 | NP. Semi-clustering pointing down toward NE with intensity first increased at 100C and then dropped abrubtly at 150C while behaving noisily | BOX 27 | |
| 2017-08-02 | KN2-8 | 79.49 | INT. Pointing straight UP with intensity kept increasing | BOX 27 | |
| 2017-08-02 | KN2-9 | 80.07 | NP. Steps after 120C are not considered due to a surge in intensity | BOX 28 | |
| 2017-01-15 | KN27 | 80.65 | Plunge=90; corrected. Weak. Pointing UP. Moving something NE from NRM-100C (PF?) and then shifting CounterClockwise. Potential R? | IODP tubes; BOX 28 | Sandstone; Glauconitic, greenish black |
| 2017-08-02 | KN2-10 | 80.74 | INT. Stayed pointing down until oddly behaving at 375C | BOX 28 | |
| 2017-01-15 | KN40 | 80.89 | RP. Steps after 30 mT are not considered due to a surge in intensity and odd looking | IODP cubes; Box 28 | Sandstone; Glauconitic, greenish black |
| 2017-08-02 | KN2-11 | 81.38 | NP. Steps after 100C may not be reliable since the intensity increased | BOX 28 | |
| 2017-01-15 | KN28 | 81.82 | N? Stopped at 200C when turned nagative but still very strong | IODP tubes; BOX 28 | |
| 2017-08-02 | KN2-12 | 81.93 | NP. Steps after 150C saw a surge of intensity and bouncing around | BOX 28 | |
| 2017-08-02 | KN2-13 | 82.20 | NP. Stayed near-horizontal before 200C until intensity increased and became noisy at 250C | BOX 28 | |
| 2017-08-02 | KN2-14 | 82.72 | INT. Intensity surged immediately after heating at 100C | BOX 29 | |
| 2017-01-15 | KN29 | 82.75 | INT | IODP tubes; BOX 29 | Clayey sandstone |
| 2017-08-02 | KN2-15 | 83.27 | INT | BOX 29 | |
| 2017-08-02 | KN2-16 | 83.45 | INT. Steps after 150C became noisy | BOX 29 | |
| 2017-01-15 | KN30 | 83.77 | INT. Stayed flat until flipped over from positive to negative at 250C | IODP tubes; BOX 29 | |
| 2017-08-02 | KN2-17 | 83.88 | INT. Stayed Down-pointing while toward South. Intensity increased at 120C and then turned crazy behaving since 250C | BOX 29 | |
| 2017-08-02 | KN2-18 | 84.40 | INT. Stayed UP but intensity increased after 150C while going steeper | BOX 29 | |
| 2017-01-15 | KN41 | 84.44 | INT. AF demag. Very noisy looking with intensity surged after 21mT. | IODP cubes; Box 29 | Clayey sandstone |
| 2017-01-15 | KN31 | 85.60 | NP. Stayed around North-pointing and downward. Stopped at 200C but should have done more steps | IODP tubes; BOX 30 | Clayey sandstone |
| 2017-01-15 | KN32 | 86.97 | NP; Intensity increased once being heated to 120C and then slightly dropping. Stopped heating at 200C but should have done more steps. | IODP tubes; BOX 30 | |
| 2017-01-15 | KN33 | 87.51 | INT. Almost died immediately after heating and noisy-lookig | IODP tubes; BOX 31 | Clayey sandstone |
| 2017-01-15 | KN42 | 88.18 | INT. AF demag. Very noisy looking with intensity surged after 21mT. | IODP cubes; Box 31 | Clayey sandstone |
| 2017-01-15 | KN34 | 88.71 | N?. Semi-clustering pointing down toward NE and then intensity dropped abrubtly at 225C while behaving noisily | IODP tubes; BOX 31 | |
| 2017-01-15 | KN35 | 89.82 | INT. Clustered pointing UP toward NW until became flat at 250-275C with intensity increased. | IODP tubes; BOX 32 | Sandstone |
| 2017-01-15 | KN43 | 90.40 | INT. AF demag. Flipped from positive to negative at 29mT and then instensity surged. Not at the expected ChRM | IODP cubes; Box 32 | Sandstone |
| 2017-01-15 | KN36 | 91.00 | N?. Flipped over immediately at 100C while removing the PF overprint and then semi-clustered pointing down. Then this would be the ETM-2 position | IODP tubes; BOX 32 | |
| 2017-01-15 | KN37 | 99.21 | RPP. Stayed up while slowly being demag until 550C with intensity first surged and dropped again until 600C--suspicious and maybe due to new magnetics formed. An reversed but not reaching the expected ChRM area | IODP tubes; BOX 36 | Sandstone |
| 2017-01-15 | KN38 | 100.69 | INT. 100C is suspicious while flipping over at 120C and then died. | IODP tubes; BOX 36 | |
| 2017-08-02 | KN2-19 | 102.14 | R. stayed UP-pointing with intensity slightly increased at 100C and then dropped to the same level as NRM while keeps the same until 400C | BOX 37 | Nanjemoy Fm |
| 2017-08-02 | KN2-20 | 103.05 | R. stayed UP-pointing with intensity slightly increased at 100C and then dropped to the same level as NRM while keeps the same until 400C | BOX 37 | Aquia Fm |
| 2017-08-02 | KN2-21 | 105.25 | R. Steps after 200C turned crazy and suspicious | BOX 38 | |
| 2017-08-02 | KN2-22 | 107.75 | RPP. Flipped over at 120C with intensity dropped by 90% and then start increasing at 350C while clustering toward UP. Reversed but stayed toward Northwest after 'present-day rotation' | BOX 39 | |
| 2017-08-02 | KN2-23 | 110.22 | N? strong with intensity dropped by 3/4 at 120C and then stays the same until 375C while clustering at 44deg of INCL | BOX 39 |