id sid tid token lemma pos nz805x25779 1 1 the the DET nz805x25779 1 2 magnet magnet PROPN nz805x25779 1 3 cove cove NOUN nz805x25779 1 4 alkaline alkaline NOUN nz805x25779 1 5 igneous igneous PROPN nz805x25779 1 6 complex complex NOUN nz805x25779 1 7 , , PUNCT nz805x25779 1 8 which which PRON nz805x25779 1 9 was be AUX nz805x25779 1 10 emplaced emplace VERB nz805x25779 1 11 ~95 ~95 PUNCT nz805x25779 1 12 to to ADP nz805x25779 1 13 99 99 NUM nz805x25779 1 14 million million NUM nz805x25779 1 15 years year NOUN nz805x25779 1 16 ago ago ADV nz805x25779 1 17 , , PUNCT nz805x25779 1 18 is be AUX nz805x25779 1 19 located locate VERB nz805x25779 1 20 within within ADP nz805x25779 1 21 the the DET nz805x25779 1 22 northeastern northeastern ADJ nz805x25779 1 23 region region NOUN nz805x25779 1 24 of of ADP nz805x25779 1 25 hot hot ADJ nz805x25779 1 26 spring spring NOUN nz805x25779 1 27 county county NOUN nz805x25779 1 28 ( ( PUNCT nz805x25779 1 29 arkansas arkansas PROPN nz805x25779 1 30 ) ) PUNCT nz805x25779 1 31 , , PUNCT nz805x25779 1 32 and and CCONJ nz805x25779 1 33 consists consist NOUN nz805x25779 1 34 of of ADP nz805x25779 1 35 alkaline alkaline NOUN nz805x25779 1 36 silicate silicate PROPN nz805x25779 1 37 rocks rock NOUN nz805x25779 1 38 such such ADJ nz805x25779 1 39 as as ADP nz805x25779 1 40 nepheline nepheline PROPN nz805x25779 1 41 syenite syenite PROPN nz805x25779 1 42 , , PUNCT nz805x25779 1 43 ijolite ijolite PROPN nz805x25779 1 44 , , PUNCT nz805x25779 1 45 and and CCONJ nz805x25779 1 46 jacupirangite jacupirangite NOUN nz805x25779 1 47 along along ADP nz805x25779 1 48 with with ADP nz805x25779 1 49 associated associated ADJ nz805x25779 1 50 carbonatite carbonatite NOUN nz805x25779 1 51 . . PUNCT nz805x25779 2 1 this this DET nz805x25779 2 2 thesis thesis NOUN nz805x25779 2 3 presents present VERB nz805x25779 2 4 new new ADJ nz805x25779 2 5 geochemical geochemical ADJ nz805x25779 2 6 , , PUNCT nz805x25779 2 7 radiogenic radiogenic ADJ nz805x25779 2 8 ( ( PUNCT nz805x25779 2 9 sr sr PROPN nz805x25779 2 10 , , PUNCT nz805x25779 2 11 nd nd PROPN nz805x25779 2 12 , , PUNCT nz805x25779 2 13 pb pb PROPN nz805x25779 2 14 ) ) PUNCT nz805x25779 2 15 and and CCONJ nz805x25779 2 16 stable stable ADJ nz805x25779 2 17 ( ( PUNCT nz805x25779 2 18 c c X nz805x25779 2 19 , , PUNCT nz805x25779 2 20 o o NOUN nz805x25779 2 21 ) ) PUNCT nz805x25779 2 22 isotope isotope PROPN nz805x25779 2 23 data datum NOUN nz805x25779 2 24 , , PUNCT nz805x25779 2 25 and and CCONJ nz805x25779 2 26 first first ADJ nz805x25779 2 27 - - PUNCT nz805x25779 2 28 time time NOUN nz805x25779 2 29 reported report VERB nz805x25779 2 30 stable stable ADJ nz805x25779 2 31 b b NOUN nz805x25779 2 32 isotope isotope NOUN nz805x25779 2 33 compositions composition NOUN nz805x25779 2 34 ( ( PUNCT nz805x25779 2 35 δ11b δ11b NOUN nz805x25779 2 36 values value NOUN nz805x25779 2 37 ) ) PUNCT nz805x25779 2 38 for for ADP nz805x25779 2 39 carbonatites carbonatite NOUN nz805x25779 2 40 and and CCONJ nz805x25779 2 41 associated associate VERB nz805x25779 2 42 silicate silicate PROPN nz805x25779 2 43 rocks rock NOUN nz805x25779 2 44 from from ADP nz805x25779 2 45 the the DET nz805x25779 2 46 magnet magnet NOUN nz805x25779 2 47 cove cove NOUN nz805x25779 2 48 complex complex NOUN nz805x25779 2 49 . . PUNCT nz805x25779 3 1 the the DET nz805x25779 3 2 δ13cpdb δ13cpdb PROPN nz805x25779 3 3 ( ( PUNCT nz805x25779 3 4 ~ ~ PROPN nz805x25779 3 5 -5 -5 PROPN nz805x25779 3 6 ‰ ‰ NUM nz805x25779 3 7 ) ) PUNCT nz805x25779 3 8 and and CCONJ nz805x25779 3 9 δ18osmow δ18osmow NOUN nz805x25779 3 10 ( ( PUNCT nz805x25779 3 11 ~8 ~8 NUM nz805x25779 3 12 to to ADP nz805x25779 3 13 ~12‰ ~12‰ NUM nz805x25779 3 14 ) ) PUNCT nz805x25779 3 15 values value NOUN nz805x25779 3 16 for for ADP nz805x25779 3 17 most most ADJ nz805x25779 3 18 of of ADP nz805x25779 3 19 the the DET nz805x25779 3 20 carbonatites carbonatite NOUN nz805x25779 3 21 plot plot NOUN nz805x25779 3 22 within within ADP nz805x25779 3 23 or or CCONJ nz805x25779 3 24 proximal proximal ADJ nz805x25779 3 25 to to ADP nz805x25779 3 26 the the DET nz805x25779 3 27 primary primary ADJ nz805x25779 3 28 igneous igneous ADJ nz805x25779 3 29 carbonatite carbonatite NOUN nz805x25779 3 30 ( ( PUNCT nz805x25779 3 31 pic pic NOUN nz805x25779 3 32 ) ) PUNCT nz805x25779 3 33 field field NOUN nz805x25779 3 34 and and CCONJ nz805x25779 3 35 are be AUX nz805x25779 3 36 therefore therefore ADV nz805x25779 3 37 indicative indicative ADJ nz805x25779 3 38 of of ADP nz805x25779 3 39 pristine pristine ADJ nz805x25779 3 40 mantle mantle NOUN nz805x25779 3 41 values value NOUN nz805x25779 3 42 . . PUNCT nz805x25779 4 1 the the DET nz805x25779 4 2 radiogenic radiogenic PROPN nz805x25779 4 3 nd nd PROPN nz805x25779 4 4 , , PUNCT nz805x25779 4 5 sr sr PROPN nz805x25779 4 6 , , PUNCT nz805x25779 4 7 and and CCONJ nz805x25779 4 8 pb pb PROPN nz805x25779 4 9 isotope isotope VERB nz805x25779 4 10 compositions composition NOUN nz805x25779 4 11 for for ADP nz805x25779 4 12 both both CCONJ nz805x25779 4 13 the the DET nz805x25779 4 14 carbonatites carbonatite NOUN nz805x25779 4 15 and and CCONJ nz805x25779 4 16 alkaline alkaline NOUN nz805x25779 4 17 silicate silicate PROPN nz805x25779 4 18 rocks rock NOUN nz805x25779 4 19 are be AUX nz805x25779 4 20 relatively relatively ADV nz805x25779 4 21 constant constant ADJ nz805x25779 4 22 , , PUNCT nz805x25779 4 23 and and CCONJ nz805x25779 4 24 contrast contrast VERB nz805x25779 4 25 with with ADP nz805x25779 4 26 the the DET nz805x25779 4 27 highly highly ADV nz805x25779 4 28 variable variable ADJ nz805x25779 4 29 δ11b δ11b NOUN nz805x25779 4 30 values value NOUN nz805x25779 4 31 , , PUNCT nz805x25779 4 32 in in ADP nz805x25779 4 33 particular particular ADJ nz805x25779 4 34 for for ADP nz805x25779 4 35 the the DET nz805x25779 4 36 alkaline alkaline NOUN nz805x25779 4 37 silicate silicate PROPN nz805x25779 4 38 rocks rock NOUN nz805x25779 4 39 which which PRON nz805x25779 4 40 range range VERB nz805x25779 4 41 from from ADP nz805x25779 4 42 -5.7 -5.7 PROPN nz805x25779 4 43 to to ADP nz805x25779 4 44 ~ ~ PROPN nz805x25779 4 45 +26 +26 PROPN nz805x25779 4 46 ‰. ‰. PROPN nz805x25779 4 47 the the DET nz805x25779 4 48 combined combine VERB nz805x25779 4 49 results result NOUN nz805x25779 4 50 indicate indicate VERB nz805x25779 4 51 that that SCONJ nz805x25779 4 52 the the DET nz805x25779 4 53 petrogenetic petrogenetic ADJ nz805x25779 4 54 history history NOUN nz805x25779 4 55 of of ADP nz805x25779 4 56 the the DET nz805x25779 4 57 magnet magnet NOUN nz805x25779 4 58 cove cove NOUN nz805x25779 4 59 complex complex NOUN nz805x25779 4 60 does do AUX nz805x25779 4 61 not not PART nz805x25779 4 62 reflect reflect VERB nz805x25779 4 63 melt melt ADJ nz805x25779 4 64 differentiation differentiation NOUN nz805x25779 4 65 in in ADP nz805x25779 4 66 a a DET nz805x25779 4 67 closed closed ADJ nz805x25779 4 68 - - PUNCT nz805x25779 4 69 system system NOUN nz805x25779 4 70 involving involve VERB nz805x25779 4 71 a a DET nz805x25779 4 72 unique unique ADJ nz805x25779 4 73 parental parental ADJ nz805x25779 4 74 magma magma NOUN nz805x25779 4 75 , , PUNCT nz805x25779 4 76 and and CCONJ nz805x25779 4 77 several several ADJ nz805x25779 4 78 of of ADP nz805x25779 4 79 the the DET nz805x25779 4 80 alkaline alkaline NOUN nz805x25779 4 81 silicate silicate PROPN nz805x25779 4 82 rocks rock NOUN nz805x25779 4 83 and and CCONJ nz805x25779 4 84 one one NUM nz805x25779 4 85 carbonatite carbonatite NOUN nz805x25779 4 86 sample sample NOUN nz805x25779 4 87 experienced experience VERB nz805x25779 4 88 low low ADJ nz805x25779 4 89 - - PUNCT nz805x25779 4 90 temperature temperature NOUN nz805x25779 4 91 alteration alteration NOUN nz805x25779 4 92 and/or and/or CCONJ nz805x25779 4 93 crustal crustal NOUN nz805x25779 4 94 contamination contamination NOUN nz805x25779 4 95 . . PUNCT nz805x25779 5 1 the the DET nz805x25779 5 2 δ11b δ11b NOUN nz805x25779 5 3 values value NOUN nz805x25779 5 4 and and CCONJ nz805x25779 5 5 radiogenic radiogenic ADJ nz805x25779 5 6 isotope isotope NOUN nz805x25779 5 7 data datum NOUN nz805x25779 5 8 from from ADP nz805x25779 5 9 the the DET nz805x25779 5 10 non non ADJ nz805x25779 5 11 - - ADJ nz805x25779 5 12 contaminated contaminated ADJ nz805x25779 5 13 carbonatites carbonatite NOUN nz805x25779 5 14 and and CCONJ nz805x25779 5 15 silicate silicate ADJ nz805x25779 5 16 samples sample NOUN nz805x25779 5 17 indicate indicate VERB nz805x25779 5 18 derivation derivation NOUN nz805x25779 5 19 from from ADP nz805x25779 5 20 a a DET nz805x25779 5 21 mantle mantle NOUN nz805x25779 5 22 source source NOUN nz805x25779 5 23 characterized characterize VERB nz805x25779 5 24 by by ADP nz805x25779 5 25 a a DET nz805x25779 5 26 mixed mixed ADJ nz805x25779 5 27 himu himu ADJ nz805x25779 5 28 - - PUNCT nz805x25779 5 29 emi emi PROPN nz805x25779 5 30 signature signature NOUN nz805x25779 5 31 , , PUNCT nz805x25779 5 32 which which PRON nz805x25779 5 33 is be AUX nz805x25779 5 34 consistent consistent ADJ nz805x25779 5 35 with with ADP nz805x25779 5 36 relatively relatively ADV nz805x25779 5 37 young young ADJ nz805x25779 5 38 ( ( PUNCT nz805x25779 5 39 & & CCONJ nz805x25779 5 40 lt;200 lt;200 PROPN nz805x25779 5 41 ma ma PROPN nz805x25779 5 42 old old PROPN nz805x25779 5 43 ) ) PUNCT nz805x25779 5 44 carbonatite carbonatite PROPN nz805x25779 5 45 occurrences occurrence VERB nz805x25779 5 46 worldwide worldwide ADV nz805x25779 5 47 . . PUNCT nz805x25779 6 1 the the DET nz805x25779 6 2 δ11b δ11b NOUN nz805x25779 6 3 values value NOUN nz805x25779 6 4 for for ADP nz805x25779 6 5 pristine pristine ADJ nz805x25779 6 6 samples sample NOUN nz805x25779 6 7 indicate indicate VERB nz805x25779 6 8 that that SCONJ nz805x25779 6 9 the the DET nz805x25779 6 10 mantle mantle PROPN nz805x25779 6 11 source source NOUN nz805x25779 6 12 region region NOUN nz805x25779 6 13 for for ADP nz805x25779 6 14 the the DET nz805x25779 6 15 magnet magnet PROPN nz805x25779 6 16 cove cove NOUN nz805x25779 6 17 complex complex NOUN nz805x25779 6 18 contains contain VERB nz805x25779 6 19 recycled recycle VERB nz805x25779 6 20 ( ( PUNCT nz805x25779 6 21 subducted subducte VERB nz805x25779 6 22 ) ) PUNCT nz805x25779 6 23 crustal crustal NOUN nz805x25779 6 24 material material NOUN nz805x25779 6 25 , , PUNCT nz805x25779 6 26 and and CCONJ nz805x25779 6 27 prove prove VERB nz805x25779 6 28 their their PRON nz805x25779 6 29 greater great ADJ nz805x25779 6 30 effectiveness effectiveness NOUN nz805x25779 6 31 in in ADP nz805x25779 6 32 detecting detect VERB nz805x25779 6 33 open open ADJ nz805x25779 6 34 - - PUNCT nz805x25779 6 35 system system NOUN nz805x25779 6 36 processes process NOUN nz805x25779 6 37 compared compare VERB nz805x25779 6 38 to to ADP nz805x25779 6 39 their their PRON nz805x25779 6 40 radiogenic radiogenic ADJ nz805x25779 6 41 and and CCONJ nz805x25779 6 42 stable stable ADJ nz805x25779 6 43 isotope isotope NOUN nz805x25779 6 44 counterparts counterpart NOUN nz805x25779 6 45 . . PUNCT